Home / 578,323.80-867,615.30-223,306.20

Finding the Fourth Proportional to 578,323.80, 867,615.30 and 223,306.20

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Solution

The fourth proportional to 578,323.80, 867,615.30 and 223,306.20 is: 335,009.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,323.80 : 867,615.30 = 223,306.20 : x
  2. Step 2: Convert to fraction form
    578,323.80/867,615.30 = 223,306.20/x
  3. Step 3: Cross multiply
    578,323.80x = 867,615.30 × 223,306.20
  4. Step 4: Simplify right side
    578,323.80x = 193,743,875,704.86
  5. Step 5: Solve for x
    x = 193,743,875,704.86/578,323.80
  6. Step 6: Final answer
    x = 335,009.34

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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.