Home / 983,349.20-1,475,023.80-540,981.20

Finding the Fourth Proportional to 983,349.20, 1,475,023.80 and 540,981.20

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Solution

The fourth proportional to 983,349.20, 1,475,023.80 and 540,981.20 is: 811,471.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,349.20 : 1,475,023.80 = 540,981.20 : x
  2. Step 2: Convert to fraction form
    983,349.20/1,475,023.80 = 540,981.20/x
  3. Step 3: Cross multiply
    983,349.20x = 1,475,023.80 × 540,981.20
  4. Step 4: Simplify right side
    983,349.20x = 797,960,145,352.56
  5. Step 5: Solve for x
    x = 797,960,145,352.56/983,349.20
  6. Step 6: Final answer
    x = 811,471.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.