Home / 782,056.32-1,079,233.92-424,360.32

Finding the Fourth Proportional to 782,056.32, 1,079,233.92 and 424,360.32

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Solution

The fourth proportional to 782,056.32, 1,079,233.92 and 424,360.32 is: 585,615.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,056.32 : 1,079,233.92 = 424,360.32 : x
  2. Step 2: Convert to fraction form
    782,056.32/1,079,233.92 = 424,360.32/x
  3. Step 3: Cross multiply
    782,056.32x = 1,079,233.92 × 424,360.32
  4. Step 4: Simplify right side
    782,056.32x = 457,984,051,646.05
  5. Step 5: Solve for x
    x = 457,984,051,646.05/782,056.32
  6. Step 6: Final answer
    x = 585,615.18

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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.