Home / 746,063.13-1,118,158.72-319,097.85

Finding the Fourth Proportional to 746,063.13, 1,118,158.72 and 319,097.85

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Solution

The fourth proportional to 746,063.13, 1,118,158.72 and 319,097.85 is: 478,246.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,063.13 : 1,118,158.72 = 319,097.85 : x
  2. Step 2: Convert to fraction form
    746,063.13/1,118,158.72 = 319,097.85/x
  3. Step 3: Cross multiply
    746,063.13x = 1,118,158.72 × 319,097.85
  4. Step 4: Simplify right side
    746,063.13x = 356,802,043,510.75
  5. Step 5: Solve for x
    x = 356,802,043,510.75/746,063.13
  6. Step 6: Final answer
    x = 478,246.45

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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.