Home / 887,053.90-1,224,134.86-479,155.74

Finding the Fourth Proportional to 887,053.90, 1,224,134.86 and 479,155.74

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Solution

The fourth proportional to 887,053.90, 1,224,134.86 and 479,155.74 is: 661,235.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,053.90 : 1,224,134.86 = 479,155.74 : x
  2. Step 2: Convert to fraction form
    887,053.90/1,224,134.86 = 479,155.74/x
  3. Step 3: Cross multiply
    887,053.90x = 1,224,134.86 × 479,155.74
  4. Step 4: Simplify right side
    887,053.90x = 586,551,244,703.10
  5. Step 5: Solve for x
    x = 586,551,244,703.10/887,053.90
  6. Step 6: Final answer
    x = 661,235.18

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Double scale
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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.