Home / 866,020.16-1,195,059.36-478,813.02

Finding the Fourth Proportional to 866,020.16, 1,195,059.36 and 478,813.02

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Solution

The fourth proportional to 866,020.16, 1,195,059.36 and 478,813.02 is: 660,735.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,020.16 : 1,195,059.36 = 478,813.02 : x
  2. Step 2: Convert to fraction form
    866,020.16/1,195,059.36 = 478,813.02/x
  3. Step 3: Cross multiply
    866,020.16x = 1,195,059.36 × 478,813.02
  4. Step 4: Simplify right side
    866,020.16x = 572,209,981,240.87
  5. Step 5: Solve for x
    x = 572,209,981,240.87/866,020.16
  6. Step 6: Final answer
    x = 660,735.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.