Home / 694,381.84-1,041,572.76-658,923.28

Finding the Fourth Proportional to 694,381.84, 1,041,572.76 and 658,923.28

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Solution

The fourth proportional to 694,381.84, 1,041,572.76 and 658,923.28 is: 988,384.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,381.84 : 1,041,572.76 = 658,923.28 : x
  2. Step 2: Convert to fraction form
    694,381.84/1,041,572.76 = 658,923.28/x
  3. Step 3: Cross multiply
    694,381.84x = 1,041,572.76 × 658,923.28
  4. Step 4: Simplify right side
    694,381.84x = 686,316,539,377.85
  5. Step 5: Solve for x
    x = 686,316,539,377.85/694,381.84
  6. Step 6: Final answer
    x = 988,384.92

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Double scale
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Similar ratio
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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.