Home / 783,154.30-1,174,731.45-468,226.30

Finding the Fourth Proportional to 783,154.30, 1,174,731.45 and 468,226.30

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Solution

The fourth proportional to 783,154.30, 1,174,731.45 and 468,226.30 is: 702,339.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,154.30 : 1,174,731.45 = 468,226.30 : x
  2. Step 2: Convert to fraction form
    783,154.30/1,174,731.45 = 468,226.30/x
  3. Step 3: Cross multiply
    783,154.30x = 1,174,731.45 × 468,226.30
  4. Step 4: Simplify right side
    783,154.30x = 550,040,160,327.14
  5. Step 5: Solve for x
    x = 550,040,160,327.14/783,154.30
  6. Step 6: Final answer
    x = 702,339.45

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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.