Home / 1,119,832.40-1,679,754.90-278,384.16

Finding the Fourth Proportional to 1,119,832.40, 1,679,754.90 and 278,384.16

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Solution

The fourth proportional to 1,119,832.40, 1,679,754.90 and 278,384.16 is: 417,577.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,832.40 : 1,679,754.90 = 278,384.16 : x
  2. Step 2: Convert to fraction form
    1,119,832.40/1,679,754.90 = 278,384.16/x
  3. Step 3: Cross multiply
    1,119,832.40x = 1,679,754.90 × 278,384.16
  4. Step 4: Simplify right side
    1,119,832.40x = 467,617,156,842.38
  5. Step 5: Solve for x
    x = 467,617,156,842.38/1,119,832.40
  6. Step 6: Final answer
    x = 417,577.81

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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.