Home / 1,247,585.56-1,872,428.10-1,168,853.56

Finding the Fourth Proportional to 1,247,585.56, 1,872,428.10 and 1,168,853.56

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Solution

The fourth proportional to 1,247,585.56, 1,872,428.10 and 1,168,853.56 is: 1,754,263.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,585.56 : 1,872,428.10 = 1,168,853.56 : x
  2. Step 2: Convert to fraction form
    1,247,585.56/1,872,428.10 = 1,168,853.56/x
  3. Step 3: Cross multiply
    1,247,585.56x = 1,872,428.10 × 1,168,853.56
  4. Step 4: Simplify right side
    1,247,585.56x = 2,188,594,241,464.77
  5. Step 5: Solve for x
    x = 2,188,594,241,464.77/1,247,585.56
  6. Step 6: Final answer
    x = 1,754,263.85

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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.