Home / 997,732.05-1,376,870.24-545,023.05

Finding the Fourth Proportional to 997,732.05, 1,376,870.24 and 545,023.05

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Solution

The fourth proportional to 997,732.05, 1,376,870.24 and 545,023.05 is: 752,131.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,732.05 : 1,376,870.24 = 545,023.05 : x
  2. Step 2: Convert to fraction form
    997,732.05/1,376,870.24 = 545,023.05/x
  3. Step 3: Cross multiply
    997,732.05x = 1,376,870.24 × 545,023.05
  4. Step 4: Simplify right side
    997,732.05x = 750,426,021,643.45
  5. Step 5: Solve for x
    x = 750,426,021,643.45/997,732.05
  6. Step 6: Final answer
    x = 752,131.82

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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.