Home / 1,275,816-1,913,724-527,881.44

Finding the Fourth Proportional to 1,275,816, 1,913,724 and 527,881.44

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Solution

The fourth proportional to 1,275,816, 1,913,724 and 527,881.44 is: 791,822.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,816 : 1,913,724 = 527,881.44 : x
  2. Step 2: Convert to fraction form
    1,275,816/1,913,724 = 527,881.44/x
  3. Step 3: Cross multiply
    1,275,816x = 1,913,724 × 527,881.44
  4. Step 4: Simplify right side
    1,275,816x = 1,010,219,380,882.56
  5. Step 5: Solve for x
    x = 1,010,219,380,882.56/1,275,816
  6. Step 6: Final answer
    x = 791,822.16

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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.