Home / 926,614.40-1,390,818.19-447,179.71

Finding the Fourth Proportional to 926,614.40, 1,390,818.19 and 447,179.71

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Solution

The fourth proportional to 926,614.40, 1,390,818.19 and 447,179.71 is: 671,202.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,614.40 : 1,390,818.19 = 447,179.71 : x
  2. Step 2: Convert to fraction form
    926,614.40/1,390,818.19 = 447,179.71/x
  3. Step 3: Cross multiply
    926,614.40x = 1,390,818.19 × 447,179.71
  4. Step 4: Simplify right side
    926,614.40x = 621,945,671,389.88
  5. Step 5: Solve for x
    x = 621,945,671,389.88/926,614.40
  6. Step 6: Final answer
    x = 671,202.25

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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.