Home / 1,519,385.10-2,279,077.65-397,454.10

Finding the Fourth Proportional to 1,519,385.10, 2,279,077.65 and 397,454.10

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Solution

The fourth proportional to 1,519,385.10, 2,279,077.65 and 397,454.10 is: 596,181.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519,385.10 : 2,279,077.65 = 397,454.10 : x
  2. Step 2: Convert to fraction form
    1,519,385.10/2,279,077.65 = 397,454.10/x
  3. Step 3: Cross multiply
    1,519,385.10x = 2,279,077.65 × 397,454.10
  4. Step 4: Simplify right side
    1,519,385.10x = 905,828,756,210.87
  5. Step 5: Solve for x
    x = 905,828,756,210.87/1,519,385.10
  6. Step 6: Final answer
    x = 596,181.15

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Double scale
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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.