Home / 1,253,084.45-1,879,325.55-578,517.66

Finding the Fourth Proportional to 1,253,084.45, 1,879,325.55 and 578,517.66

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Solution

The fourth proportional to 1,253,084.45, 1,879,325.55 and 578,517.66 is: 867,637.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,084.45 : 1,879,325.55 = 578,517.66 : x
  2. Step 2: Convert to fraction form
    1,253,084.45/1,879,325.55 = 578,517.66/x
  3. Step 3: Cross multiply
    1,253,084.45x = 1,879,325.55 × 578,517.66
  4. Step 4: Simplify right side
    1,253,084.45x = 1,087,223,019,564.21
  5. Step 5: Solve for x
    x = 1,087,223,019,564.21/1,253,084.45
  6. Step 6: Final answer
    x = 867,637.47

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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.