Home / 1,016,857.17-1,403,255.88-564,148.17

Finding the Fourth Proportional to 1,016,857.17, 1,403,255.88 and 564,148.17

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Solution

The fourth proportional to 1,016,857.17, 1,403,255.88 and 564,148.17 is: 778,520.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,857.17 : 1,403,255.88 = 564,148.17 : x
  2. Step 2: Convert to fraction form
    1,016,857.17/1,403,255.88 = 564,148.17/x
  3. Step 3: Cross multiply
    1,016,857.17x = 1,403,255.88 × 564,148.17
  4. Step 4: Simplify right side
    1,016,857.17x = 791,644,236,743.74
  5. Step 5: Solve for x
    x = 791,644,236,743.74/1,016,857.17
  6. Step 6: Final answer
    x = 778,520.58

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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.