Home / 651,030.20-976,545.30-336,102.20

Finding the Fourth Proportional to 651,030.20, 976,545.30 and 336,102.20

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Solution

The fourth proportional to 651,030.20, 976,545.30 and 336,102.20 is: 504,153.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,030.20 : 976,545.30 = 336,102.20 : x
  2. Step 2: Convert to fraction form
    651,030.20/976,545.30 = 336,102.20/x
  3. Step 3: Cross multiply
    651,030.20x = 976,545.30 × 336,102.20
  4. Step 4: Simplify right side
    651,030.20x = 328,219,023,729.66
  5. Step 5: Solve for x
    x = 328,219,023,729.66/651,030.20
  6. Step 6: Final answer
    x = 504,153.30

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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.