Home / 1,519,386.10-2,279,079.15-397,455.10

Finding the Fourth Proportional to 1,519,386.10, 2,279,079.15 and 397,455.10

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Solution

The fourth proportional to 1,519,386.10, 2,279,079.15 and 397,455.10 is: 596,182.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519,386.10 : 2,279,079.15 = 397,455.10 : x
  2. Step 2: Convert to fraction form
    1,519,386.10/2,279,079.15 = 397,455.10/x
  3. Step 3: Cross multiply
    1,519,386.10x = 2,279,079.15 × 397,455.10
  4. Step 4: Simplify right side
    1,519,386.10x = 905,831,631,471.17
  5. Step 5: Solve for x
    x = 905,831,631,471.17/1,519,386.10
  6. Step 6: Final answer
    x = 596,182.65

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Double scale
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Similar ratio
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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.