Home / 922,076.25-1,272,487.73-514,174.11

Finding the Fourth Proportional to 922,076.25, 1,272,487.73 and 514,174.11

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Solution

The fourth proportional to 922,076.25, 1,272,487.73 and 514,174.11 is: 709,572.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,076.25 : 1,272,487.73 = 514,174.11 : x
  2. Step 2: Convert to fraction form
    922,076.25/1,272,487.73 = 514,174.11/x
  3. Step 3: Cross multiply
    922,076.25x = 1,272,487.73 × 514,174.11
  4. Step 4: Simplify right side
    922,076.25x = 654,280,243,487.80
  5. Step 5: Solve for x
    x = 654,280,243,487.80/922,076.25
  6. Step 6: Final answer
    x = 709,572.82

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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.