Home / 1,119,776.17-1,679,665.56-278,327.92

Finding the Fourth Proportional to 1,119,776.17, 1,679,665.56 and 278,327.92

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Solution

The fourth proportional to 1,119,776.17, 1,679,665.56 and 278,327.92 is: 417,492.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,776.17 : 1,679,665.56 = 278,327.92 : x
  2. Step 2: Convert to fraction form
    1,119,776.17/1,679,665.56 = 278,327.92/x
  3. Step 3: Cross multiply
    1,119,776.17x = 1,679,665.56 × 278,327.92
  4. Step 4: Simplify right side
    1,119,776.17x = 467,497,821,610.44
  5. Step 5: Solve for x
    x = 467,497,821,610.44/1,119,776.17
  6. Step 6: Final answer
    x = 417,492.20

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1.5x scale

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.