Home / 1,114,285.70-1,671,428.55-404,336.90

Finding the Fourth Proportional to 1,114,285.70, 1,671,428.55 and 404,336.90

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Solution

The fourth proportional to 1,114,285.70, 1,671,428.55 and 404,336.90 is: 606,505.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,285.70 : 1,671,428.55 = 404,336.90 : x
  2. Step 2: Convert to fraction form
    1,114,285.70/1,671,428.55 = 404,336.90/x
  3. Step 3: Cross multiply
    1,114,285.70x = 1,671,428.55 × 404,336.90
  4. Step 4: Simplify right side
    1,114,285.70x = 675,820,238,478.50
  5. Step 5: Solve for x
    x = 675,820,238,478.50/1,114,285.70
  6. Step 6: Final answer
    x = 606,505.35

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.