Home / 1,412,616.90-2,120,256.98-514,926.30

Finding the Fourth Proportional to 1,412,616.90, 2,120,256.98 and 514,926.30

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Solution

The fourth proportional to 1,412,616.90, 2,120,256.98 and 514,926.30 is: 772,874.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,616.90 : 2,120,256.98 = 514,926.30 : x
  2. Step 2: Convert to fraction form
    1,412,616.90/2,120,256.98 = 514,926.30/x
  3. Step 3: Cross multiply
    1,412,616.90x = 2,120,256.98 × 514,926.30
  4. Step 4: Simplify right side
    1,412,616.90x = 1,091,776,081,760.57
  5. Step 5: Solve for x
    x = 1,091,776,081,760.57/1,412,616.90
  6. Step 6: Final answer
    x = 772,874.86

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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.