Home / 749,144.02-1,123,569.42-623,590.78

Finding the Fourth Proportional to 749,144.02, 1,123,569.42 and 623,590.78

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Solution

The fourth proportional to 749,144.02, 1,123,569.42 and 623,590.78 is: 935,264.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,144.02 : 1,123,569.42 = 623,590.78 : x
  2. Step 2: Convert to fraction form
    749,144.02/1,123,569.42 = 623,590.78/x
  3. Step 3: Cross multiply
    749,144.02x = 1,123,569.42 × 623,590.78
  4. Step 4: Simplify right side
    749,144.02x = 700,647,531,001.95
  5. Step 5: Solve for x
    x = 700,647,531,001.95/749,144.02
  6. Step 6: Final answer
    x = 935,264.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.