Home / 934,971.55-1,290,243.20-527,073.66

Finding the Fourth Proportional to 934,971.55, 1,290,243.20 and 527,073.66

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Solution

The fourth proportional to 934,971.55, 1,290,243.20 and 527,073.66 is: 727,351.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,971.55 : 1,290,243.20 = 527,073.66 : x
  2. Step 2: Convert to fraction form
    934,971.55/1,290,243.20 = 527,073.66/x
  3. Step 3: Cross multiply
    934,971.55x = 1,290,243.20 × 527,073.66
  4. Step 4: Simplify right side
    934,971.55x = 680,053,212,061.93
  5. Step 5: Solve for x
    x = 680,053,212,061.93/934,971.55
  6. Step 6: Final answer
    x = 727,351.77

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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.