Home / 619,277.60-928,916.40-540,545.60

Finding the Fourth Proportional to 619,277.60, 928,916.40 and 540,545.60

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Solution

The fourth proportional to 619,277.60, 928,916.40 and 540,545.60 is: 810,818.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,277.60 : 928,916.40 = 540,545.60 : x
  2. Step 2: Convert to fraction form
    619,277.60/928,916.40 = 540,545.60/x
  3. Step 3: Cross multiply
    619,277.60x = 928,916.40 × 540,545.60
  4. Step 4: Simplify right side
    619,277.60x = 502,121,672,787.84
  5. Step 5: Solve for x
    x = 502,121,672,787.84/619,277.60
  6. Step 6: Final answer
    x = 810,818.40

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