Home / 1,085,760.43-1,627,581.40-516,988.76

Finding the Fourth Proportional to 1,085,760.43, 1,627,581.40 and 516,988.76

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Solution

The fourth proportional to 1,085,760.43, 1,627,581.40 and 516,988.76 is: 774,978.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,760.43 : 1,627,581.40 = 516,988.76 : x
  2. Step 2: Convert to fraction form
    1,085,760.43/1,627,581.40 = 516,988.76/x
  3. Step 3: Cross multiply
    1,085,760.43x = 1,627,581.40 × 516,988.76
  4. Step 4: Simplify right side
    1,085,760.43x = 841,441,280,354.69
  5. Step 5: Solve for x
    x = 841,441,280,354.69/1,085,760.43
  6. Step 6: Final answer
    x = 774,978.77

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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.