Home / 1,140,058.68-1,710,086.42-457,253.56

Finding the Fourth Proportional to 1,140,058.68, 1,710,086.42 and 457,253.56

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Solution

The fourth proportional to 1,140,058.68, 1,710,086.42 and 457,253.56 is: 685,879.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,058.68 : 1,710,086.42 = 457,253.56 : x
  2. Step 2: Convert to fraction form
    1,140,058.68/1,710,086.42 = 457,253.56/x
  3. Step 3: Cross multiply
    1,140,058.68x = 1,710,086.42 × 457,253.56
  4. Step 4: Simplify right side
    1,140,058.68x = 781,943,103,452.66
  5. Step 5: Solve for x
    x = 781,943,103,452.66/1,140,058.68
  6. Step 6: Final answer
    x = 685,879.70

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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.