Home / 746,068.20-1,118,166.28-319,102.92

Finding the Fourth Proportional to 746,068.20, 1,118,166.28 and 319,102.92

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Solution

The fourth proportional to 746,068.20, 1,118,166.28 and 319,102.92 is: 478,254.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,068.20 : 1,118,166.28 = 319,102.92 : x
  2. Step 2: Convert to fraction form
    746,068.20/1,118,166.28 = 319,102.92/x
  3. Step 3: Cross multiply
    746,068.20x = 1,118,166.28 × 319,102.92
  4. Step 4: Simplify right side
    746,068.20x = 356,810,124,993.54
  5. Step 5: Solve for x
    x = 356,810,124,993.54/746,068.20
  6. Step 6: Final answer
    x = 478,254.03

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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.