Home / 921,943.28-1,272,188.76-514,006.76

Finding the Fourth Proportional to 921,943.28, 1,272,188.76 and 514,006.76

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Solution

The fourth proportional to 921,943.28, 1,272,188.76 and 514,006.76 is: 709,277.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,943.28 : 1,272,188.76 = 514,006.76 : x
  2. Step 2: Convert to fraction form
    921,943.28/1,272,188.76 = 514,006.76/x
  3. Step 3: Cross multiply
    921,943.28x = 1,272,188.76 × 514,006.76
  4. Step 4: Simplify right side
    921,943.28x = 653,913,622,636.02
  5. Step 5: Solve for x
    x = 653,913,622,636.02/921,943.28
  6. Step 6: Final answer
    x = 709,277.50

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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.