Home / 1,869,276.42-2,803,937.11-521,356.97

Finding the Fourth Proportional to 1,869,276.42, 2,803,937.11 and 521,356.97

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Solution

The fourth proportional to 1,869,276.42, 2,803,937.11 and 521,356.97 is: 782,041.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,276.42 : 2,803,937.11 = 521,356.97 : x
  2. Step 2: Convert to fraction form
    1,869,276.42/2,803,937.11 = 521,356.97/x
  3. Step 3: Cross multiply
    1,869,276.42x = 2,803,937.11 × 521,356.97
  4. Step 4: Simplify right side
    1,869,276.42x = 1,461,852,161,446.61
  5. Step 5: Solve for x
    x = 1,461,852,161,446.61/1,869,276.42
  6. Step 6: Final answer
    x = 782,041.73

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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.