Home / 1,821,390.30-2,732,085.45-559,215.90

Finding the Fourth Proportional to 1,821,390.30, 2,732,085.45 and 559,215.90

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Solution

The fourth proportional to 1,821,390.30, 2,732,085.45 and 559,215.90 is: 838,823.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,390.30 : 2,732,085.45 = 559,215.90 : x
  2. Step 2: Convert to fraction form
    1,821,390.30/2,732,085.45 = 559,215.90/x
  3. Step 3: Cross multiply
    1,821,390.30x = 2,732,085.45 × 559,215.90
  4. Step 4: Simplify right side
    1,821,390.30x = 1,527,825,623,798.66
  5. Step 5: Solve for x
    x = 1,527,825,623,798.66/1,821,390.30
  6. Step 6: Final answer
    x = 838,823.85

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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.