Home / 931,985.11-1,398,508.62-363,292.21

Finding the Fourth Proportional to 931,985.11, 1,398,508.62 and 363,292.21

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Solution

The fourth proportional to 931,985.11, 1,398,508.62 and 363,292.21 is: 545,145.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,985.11 : 1,398,508.62 = 363,292.21 : x
  2. Step 2: Convert to fraction form
    931,985.11/1,398,508.62 = 363,292.21/x
  3. Step 3: Cross multiply
    931,985.11x = 1,398,508.62 × 363,292.21
  4. Step 4: Simplify right side
    931,985.11x = 508,067,287,263.85
  5. Step 5: Solve for x
    x = 508,067,287,263.85/931,985.11
  6. Step 6: Final answer
    x = 545,145.28

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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.