Home / 1,278,251.07-1,764,023.39-705,328.14

Finding the Fourth Proportional to 1,278,251.07, 1,764,023.39 and 705,328.14

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Solution

The fourth proportional to 1,278,251.07, 1,764,023.39 and 705,328.14 is: 973,373.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,251.07 : 1,764,023.39 = 705,328.14 : x
  2. Step 2: Convert to fraction form
    1,278,251.07/1,764,023.39 = 705,328.14/x
  3. Step 3: Cross multiply
    1,278,251.07x = 1,764,023.39 × 705,328.14
  4. Step 4: Simplify right side
    1,278,251.07x = 1,244,215,333,058.55
  5. Step 5: Solve for x
    x = 1,244,215,333,058.55/1,278,251.07
  6. Step 6: Final answer
    x = 973,373.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.