Home / 1,154,514.20-1,593,278.80-645,216.56

Finding the Fourth Proportional to 1,154,514.20, 1,593,278.80 and 645,216.56

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Solution

The fourth proportional to 1,154,514.20, 1,593,278.80 and 645,216.56 is: 890,426.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,514.20 : 1,593,278.80 = 645,216.56 : x
  2. Step 2: Convert to fraction form
    1,154,514.20/1,593,278.80 = 645,216.56/x
  3. Step 3: Cross multiply
    1,154,514.20x = 1,593,278.80 × 645,216.56
  4. Step 4: Simplify right side
    1,154,514.20x = 1,028,009,866,456.93
  5. Step 5: Solve for x
    x = 1,028,009,866,456.93/1,154,514.20
  6. Step 6: Final answer
    x = 890,426.35

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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.