Home / 1,425,842.98-2,139,034.20-572,981.02

Finding the Fourth Proportional to 1,425,842.98, 2,139,034.20 and 572,981.02

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Solution

The fourth proportional to 1,425,842.98, 2,139,034.20 and 572,981.02 is: 859,579.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,842.98 : 2,139,034.20 = 572,981.02 : x
  2. Step 2: Convert to fraction form
    1,425,842.98/2,139,034.20 = 572,981.02/x
  3. Step 3: Cross multiply
    1,425,842.98x = 2,139,034.20 × 572,981.02
  4. Step 4: Simplify right side
    1,425,842.98x = 1,225,625,997,730.88
  5. Step 5: Solve for x
    x = 1,225,625,997,730.88/1,425,842.98
  6. Step 6: Final answer
    x = 859,579.92

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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.