Home / 922,781.45-1,273,441.93-514,900.49

Finding the Fourth Proportional to 922,781.45, 1,273,441.93 and 514,900.49

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Solution

The fourth proportional to 922,781.45, 1,273,441.93 and 514,900.49 is: 710,564.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,781.45 : 1,273,441.93 = 514,900.49 : x
  2. Step 2: Convert to fraction form
    922,781.45/1,273,441.93 = 514,900.49/x
  3. Step 3: Cross multiply
    922,781.45x = 1,273,441.93 × 514,900.49
  4. Step 4: Simplify right side
    922,781.45x = 655,695,873,743.55
  5. Step 5: Solve for x
    x = 655,695,873,743.55/922,781.45
  6. Step 6: Final answer
    x = 710,564.65

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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.