Home / 1,253,082.18-1,879,322.19-578,515.40

Finding the Fourth Proportional to 1,253,082.18, 1,879,322.19 and 578,515.40

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Solution

The fourth proportional to 1,253,082.18, 1,879,322.19 and 578,515.40 is: 867,634.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,082.18 : 1,879,322.19 = 578,515.40 : x
  2. Step 2: Convert to fraction form
    1,253,082.18/1,879,322.19 = 578,515.40/x
  3. Step 3: Cross multiply
    1,253,082.18x = 1,879,322.19 × 578,515.40
  4. Step 4: Simplify right side
    1,253,082.18x = 1,087,216,819,080.12
  5. Step 5: Solve for x
    x = 1,087,216,819,080.12/1,253,082.18
  6. Step 6: Final answer
    x = 867,634.09

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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.