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Finding the Fourth Proportional to 908,875.60, 1,253,787.39 and 693,642

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Solution

The fourth proportional to 908,875.60, 1,253,787.39 and 693,642 is: 956,874.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,875.60 : 1,253,787.39 = 693,642 : x
  2. Step 2: Convert to fraction form
    908,875.60/1,253,787.39 = 693,642/x
  3. Step 3: Cross multiply
    908,875.60x = 1,253,787.39 × 693,642
  4. Step 4: Simplify right side
    908,875.60x = 869,679,592,774.38
  5. Step 5: Solve for x
    x = 869,679,592,774.38/908,875.60
  6. Step 6: Final answer
    x = 956,874.18

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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.