Home / 838,068.07-1,156,511.76-456,086.65

Finding the Fourth Proportional to 838,068.07, 1,156,511.76 and 456,086.65

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Solution

The fourth proportional to 838,068.07, 1,156,511.76 and 456,086.65 is: 629,387.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,068.07 : 1,156,511.76 = 456,086.65 : x
  2. Step 2: Convert to fraction form
    838,068.07/1,156,511.76 = 456,086.65/x
  3. Step 3: Cross multiply
    838,068.07x = 1,156,511.76 × 456,086.65
  4. Step 4: Simplify right side
    838,068.07x = 527,469,574,304.00
  5. Step 5: Solve for x
    x = 527,469,574,304.00/838,068.07
  6. Step 6: Final answer
    x = 629,387.51

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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.