Home / 746,381.28-1,030,034.16-424,146.24

Finding the Fourth Proportional to 746,381.28, 1,030,034.16 and 424,146.24

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Solution

The fourth proportional to 746,381.28, 1,030,034.16 and 424,146.24 is: 585,337.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,381.28 : 1,030,034.16 = 424,146.24 : x
  2. Step 2: Convert to fraction form
    746,381.28/1,030,034.16 = 424,146.24/x
  3. Step 3: Cross multiply
    746,381.28x = 1,030,034.16 × 424,146.24
  4. Step 4: Simplify right side
    746,381.28x = 436,885,116,035.56
  5. Step 5: Solve for x
    x = 436,885,116,035.56/746,381.28
  6. Step 6: Final answer
    x = 585,337.72

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.