Home / 916,033.28-1,373,385.61-615,769.12

Finding the Fourth Proportional to 916,033.28, 1,373,385.61 and 615,769.12

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Solution

The fourth proportional to 916,033.28, 1,373,385.61 and 615,769.12 is: 923,207.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,033.28 : 1,373,385.61 = 615,769.12 : x
  2. Step 2: Convert to fraction form
    916,033.28/1,373,385.61 = 615,769.12/x
  3. Step 3: Cross multiply
    916,033.28x = 1,373,385.61 × 615,769.12
  4. Step 4: Simplify right side
    916,033.28x = 845,688,438,544.59
  5. Step 5: Solve for x
    x = 845,688,438,544.59/916,033.28
  6. Step 6: Final answer
    x = 923,207.11

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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.