Home / 1,284,306.17-1,926,549.20-515,803.93

Finding the Fourth Proportional to 1,284,306.17, 1,926,549.20 and 515,803.93

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Solution

The fourth proportional to 1,284,306.17, 1,926,549.20 and 515,803.93 is: 773,742.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,306.17 : 1,926,549.20 = 515,803.93 : x
  2. Step 2: Convert to fraction form
    1,284,306.17/1,926,549.20 = 515,803.93/x
  3. Step 3: Cross multiply
    1,284,306.17x = 1,926,549.20 × 515,803.93
  4. Step 4: Simplify right side
    1,284,306.17x = 993,721,645,171.49
  5. Step 5: Solve for x
    x = 993,721,645,171.49/1,284,306.17
  6. Step 6: Final answer
    x = 773,742.02

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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.