Home / 887,070.19-1,224,157.36-479,172.04

Finding the Fourth Proportional to 887,070.19, 1,224,157.36 and 479,172.04

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Solution

The fourth proportional to 887,070.19, 1,224,157.36 and 479,172.04 is: 661,257.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,070.19 : 1,224,157.36 = 479,172.04 : x
  2. Step 2: Convert to fraction form
    887,070.19/1,224,157.36 = 479,172.04/x
  3. Step 3: Cross multiply
    887,070.19x = 1,224,157.36 × 479,172.04
  4. Step 4: Simplify right side
    887,070.19x = 586,581,979,472.22
  5. Step 5: Solve for x
    x = 586,581,979,472.22/887,070.19
  6. Step 6: Final answer
    x = 661,257.68

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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.