Home / 992,975.40-1,487,932.20-739,064.70

Finding the Fourth Proportional to 992,975.40, 1,487,932.20 and 739,064.70

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Solution

The fourth proportional to 992,975.40, 1,487,932.20 and 739,064.70 is: 1,107,457.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,975.40 : 1,487,932.20 = 739,064.70 : x
  2. Step 2: Convert to fraction form
    992,975.40/1,487,932.20 = 739,064.70/x
  3. Step 3: Cross multiply
    992,975.40x = 1,487,932.20 × 739,064.70
  4. Step 4: Simplify right side
    992,975.40x = 1,099,678,165,013.34
  5. Step 5: Solve for x
    x = 1,099,678,165,013.34/992,975.40
  6. Step 6: Final answer
    x = 1,107,457.61

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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.