Home / 922,155.62-1,272,572.29-514,257.93

Finding the Fourth Proportional to 922,155.62, 1,272,572.29 and 514,257.93

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Solution

The fourth proportional to 922,155.62, 1,272,572.29 and 514,257.93 is: 709,674.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,155.62 : 1,272,572.29 = 514,257.93 : x
  2. Step 2: Convert to fraction form
    922,155.62/1,272,572.29 = 514,257.93/x
  3. Step 3: Cross multiply
    922,155.62x = 1,272,572.29 × 514,257.93
  4. Step 4: Simplify right side
    922,155.62x = 654,430,389,380.88
  5. Step 5: Solve for x
    x = 654,430,389,380.88/922,155.62
  6. Step 6: Final answer
    x = 709,674.57

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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.