Home / 578,306.20-867,707.40-223,569.36

Finding the Fourth Proportional to 578,306.20, 867,707.40 and 223,569.36

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Solution

The fourth proportional to 578,306.20, 867,707.40 and 223,569.36 is: 335,449.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,306.20 : 867,707.40 = 223,569.36 : x
  2. Step 2: Convert to fraction form
    578,306.20/867,707.40 = 223,569.36/x
  3. Step 3: Cross multiply
    578,306.20x = 867,707.40 × 223,569.36
  4. Step 4: Simplify right side
    578,306.20x = 193,992,788,085.26
  5. Step 5: Solve for x
    x = 193,992,788,085.26/578,306.20
  6. Step 6: Final answer
    x = 335,449.95

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1.5x scale

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.