Home / 527,117.40-790,676.10-148,037.40

Finding the Fourth Proportional to 527,117.40, 790,676.10 and 148,037.40

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Solution

The fourth proportional to 527,117.40, 790,676.10 and 148,037.40 is: 222,056.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,117.40 : 790,676.10 = 148,037.40 : x
  2. Step 2: Convert to fraction form
    527,117.40/790,676.10 = 148,037.40/x
  3. Step 3: Cross multiply
    527,117.40x = 790,676.10 × 148,037.40
  4. Step 4: Simplify right side
    527,117.40x = 117,049,634,086.14
  5. Step 5: Solve for x
    x = 117,049,634,086.14/527,117.40
  6. Step 6: Final answer
    x = 222,056.10

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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.