Home / 886,989.40-1,330,484.10-437,925.40

Finding the Fourth Proportional to 886,989.40, 1,330,484.10 and 437,925.40

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Solution

The fourth proportional to 886,989.40, 1,330,484.10 and 437,925.40 is: 656,888.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,989.40 : 1,330,484.10 = 437,925.40 : x
  2. Step 2: Convert to fraction form
    886,989.40/1,330,484.10 = 437,925.40/x
  3. Step 3: Cross multiply
    886,989.40x = 1,330,484.10 × 437,925.40
  4. Step 4: Simplify right side
    886,989.40x = 582,652,781,686.14
  5. Step 5: Solve for x
    x = 582,652,781,686.14/886,989.40
  6. Step 6: Final answer
    x = 656,888.10

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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.