Home / 658,277.70-987,416.55-623,285.70

Finding the Fourth Proportional to 658,277.70, 987,416.55 and 623,285.70

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Solution

The fourth proportional to 658,277.70, 987,416.55 and 623,285.70 is: 934,928.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,277.70 : 987,416.55 = 623,285.70 : x
  2. Step 2: Convert to fraction form
    658,277.70/987,416.55 = 623,285.70/x
  3. Step 3: Cross multiply
    658,277.70x = 987,416.55 × 623,285.70
  4. Step 4: Simplify right side
    658,277.70x = 615,442,615,558.34
  5. Step 5: Solve for x
    x = 615,442,615,558.34/658,277.70
  6. Step 6: Final answer
    x = 934,928.55

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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.