Home / 651,211.20-976,816.80-651,211.20

Finding the Fourth Proportional to 651,211.20, 976,816.80 and 651,211.20

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Solution

The fourth proportional to 651,211.20, 976,816.80 and 651,211.20 is: 976,816.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,211.20 : 976,816.80 = 651,211.20 : x
  2. Step 2: Convert to fraction form
    651,211.20/976,816.80 = 651,211.20/x
  3. Step 3: Cross multiply
    651,211.20x = 976,816.80 × 651,211.20
  4. Step 4: Simplify right side
    651,211.20x = 636,114,040,508.16
  5. Step 5: Solve for x
    x = 636,114,040,508.16/651,211.20
  6. Step 6: Final answer
    x = 976,816.80

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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.