Home / 1,119,679.61-1,545,197.51-636,265.13

Finding the Fourth Proportional to 1,119,679.61, 1,545,197.51 and 636,265.13

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Solution

The fourth proportional to 1,119,679.61, 1,545,197.51 and 636,265.13 is: 878,068.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,679.61 : 1,545,197.51 = 636,265.13 : x
  2. Step 2: Convert to fraction form
    1,119,679.61/1,545,197.51 = 636,265.13/x
  3. Step 3: Cross multiply
    1,119,679.61x = 1,545,197.51 × 636,265.13
  4. Step 4: Simplify right side
    1,119,679.61x = 983,155,288,440.50
  5. Step 5: Solve for x
    x = 983,155,288,440.50/1,119,679.61
  6. Step 6: Final answer
    x = 878,068.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.