Home / 1,016,491.47-1,402,788.56-563,772.75

Finding the Fourth Proportional to 1,016,491.47, 1,402,788.56 and 563,772.75

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Solution

The fourth proportional to 1,016,491.47, 1,402,788.56 and 563,772.75 is: 778,023.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,491.47 : 1,402,788.56 = 563,772.75 : x
  2. Step 2: Convert to fraction form
    1,016,491.47/1,402,788.56 = 563,772.75/x
  3. Step 3: Cross multiply
    1,016,491.47x = 1,402,788.56 × 563,772.75
  4. Step 4: Simplify right side
    1,016,491.47x = 790,853,961,320.88
  5. Step 5: Solve for x
    x = 790,853,961,320.88/1,016,491.47
  6. Step 6: Final answer
    x = 778,023.21

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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.