Home / 922,369.50-1,272,869.94-519,961.50

Finding the Fourth Proportional to 922,369.50, 1,272,869.94 and 519,961.50

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Solution

The fourth proportional to 922,369.50, 1,272,869.94 and 519,961.50 is: 717,546.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,369.50 : 1,272,869.94 = 519,961.50 : x
  2. Step 2: Convert to fraction form
    922,369.50/1,272,869.94 = 519,961.50/x
  3. Step 3: Cross multiply
    922,369.50x = 1,272,869.94 × 519,961.50
  4. Step 4: Simplify right side
    922,369.50x = 661,843,363,307.31
  5. Step 5: Solve for x
    x = 661,843,363,307.31/922,369.50
  6. Step 6: Final answer
    x = 717,546.89

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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.