Home / 1,117,704-1,676,713.68-359,291.28

Finding the Fourth Proportional to 1,117,704, 1,676,713.68 and 359,291.28

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Solution

The fourth proportional to 1,117,704, 1,676,713.68 and 359,291.28 is: 538,987.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,704 : 1,676,713.68 = 359,291.28 : x
  2. Step 2: Convert to fraction form
    1,117,704/1,676,713.68 = 359,291.28/x
  3. Step 3: Cross multiply
    1,117,704x = 1,676,713.68 × 359,291.28
  4. Step 4: Simplify right side
    1,117,704x = 602,428,604,280.71
  5. Step 5: Solve for x
    x = 602,428,604,280.71/1,117,704
  6. Step 6: Final answer
    x = 538,987.61

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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.