Home / 993,437.40-1,370,905.52-563,691.88

Finding the Fourth Proportional to 993,437.40, 1,370,905.52 and 563,691.88

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Solution

The fourth proportional to 993,437.40, 1,370,905.52 and 563,691.88 is: 777,873.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,437.40 : 1,370,905.52 = 563,691.88 : x
  2. Step 2: Convert to fraction form
    993,437.40/1,370,905.52 = 563,691.88/x
  3. Step 3: Cross multiply
    993,437.40x = 1,370,905.52 × 563,691.88
  4. Step 4: Simplify right side
    993,437.40x = 772,768,309,871.18
  5. Step 5: Solve for x
    x = 772,768,309,871.18/993,437.40
  6. Step 6: Final answer
    x = 777,873.18

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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.