Home / 983,866.30-1,357,752.78-554,161.70

Finding the Fourth Proportional to 983,866.30, 1,357,752.78 and 554,161.70

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Solution

The fourth proportional to 983,866.30, 1,357,752.78 and 554,161.70 is: 764,752.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,866.30 : 1,357,752.78 = 554,161.70 : x
  2. Step 2: Convert to fraction form
    983,866.30/1,357,752.78 = 554,161.70/x
  3. Step 3: Cross multiply
    983,866.30x = 1,357,752.78 × 554,161.70
  4. Step 4: Simplify right side
    983,866.30x = 752,414,592,138.91
  5. Step 5: Solve for x
    x = 752,414,592,138.91/983,866.30
  6. Step 6: Final answer
    x = 764,752.89

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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.