Home / 1,152,130.60-1,728,195.90-404,176.60

Finding the Fourth Proportional to 1,152,130.60, 1,728,195.90 and 404,176.60

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Solution

The fourth proportional to 1,152,130.60, 1,728,195.90 and 404,176.60 is: 606,264.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,130.60 : 1,728,195.90 = 404,176.60 : x
  2. Step 2: Convert to fraction form
    1,152,130.60/1,728,195.90 = 404,176.60/x
  3. Step 3: Cross multiply
    1,152,130.60x = 1,728,195.90 × 404,176.60
  4. Step 4: Simplify right side
    1,152,130.60x = 698,496,342,995.94
  5. Step 5: Solve for x
    x = 698,496,342,995.94/1,152,130.60
  6. Step 6: Final answer
    x = 606,264.90

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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.