Home / 453,277.60-679,916.40-157,789.60

Finding the Fourth Proportional to 453,277.60, 679,916.40 and 157,789.60

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Solution

The fourth proportional to 453,277.60, 679,916.40 and 157,789.60 is: 236,684.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,277.60 : 679,916.40 = 157,789.60 : x
  2. Step 2: Convert to fraction form
    453,277.60/679,916.40 = 157,789.60/x
  3. Step 3: Cross multiply
    453,277.60x = 679,916.40 × 157,789.60
  4. Step 4: Simplify right side
    453,277.60x = 107,283,736,789.44
  5. Step 5: Solve for x
    x = 107,283,736,789.44/453,277.60
  6. Step 6: Final answer
    x = 236,684.40

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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.