Home / 927,740.16-1,390,421.04-807,296.61

Finding the Fourth Proportional to 927,740.16, 1,390,421.04 and 807,296.61

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Solution

The fourth proportional to 927,740.16, 1,390,421.04 and 807,296.61 is: 1,209,910.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,740.16 : 1,390,421.04 = 807,296.61 : x
  2. Step 2: Convert to fraction form
    927,740.16/1,390,421.04 = 807,296.61/x
  3. Step 3: Cross multiply
    927,740.16x = 1,390,421.04 × 807,296.61
  4. Step 4: Simplify right side
    927,740.16x = 1,122,482,192,064.67
  5. Step 5: Solve for x
    x = 1,122,482,192,064.67/927,740.16
  6. Step 6: Final answer
    x = 1,209,910.10

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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.