Home / 615,848.40-923,772.60-491,432.40

Finding the Fourth Proportional to 615,848.40, 923,772.60 and 491,432.40

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Solution

The fourth proportional to 615,848.40, 923,772.60 and 491,432.40 is: 737,148.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,848.40 : 923,772.60 = 491,432.40 : x
  2. Step 2: Convert to fraction form
    615,848.40/923,772.60 = 491,432.40/x
  3. Step 3: Cross multiply
    615,848.40x = 923,772.60 × 491,432.40
  4. Step 4: Simplify right side
    615,848.40x = 453,971,785,872.24
  5. Step 5: Solve for x
    x = 453,971,785,872.24/615,848.40
  6. Step 6: Final answer
    x = 737,148.60

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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.