Home / 927,934.16-1,281,166.20-712,689.68

Finding the Fourth Proportional to 927,934.16, 1,281,166.20 and 712,689.68

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Solution

The fourth proportional to 927,934.16, 1,281,166.20 and 712,689.68 is: 983,985.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,934.16 : 1,281,166.20 = 712,689.68 : x
  2. Step 2: Convert to fraction form
    927,934.16/1,281,166.20 = 712,689.68/x
  3. Step 3: Cross multiply
    927,934.16x = 1,281,166.20 × 712,689.68
  4. Step 4: Simplify right side
    927,934.16x = 913,073,929,104.82
  5. Step 5: Solve for x
    x = 913,073,929,104.82/927,934.16
  6. Step 6: Final answer
    x = 983,985.68

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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.