Home / 578,839.40-867,999.90-223,735.40

Finding the Fourth Proportional to 578,839.40, 867,999.90 and 223,735.40

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Solution

The fourth proportional to 578,839.40, 867,999.90 and 223,735.40 is: 335,502.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,839.40 : 867,999.90 = 223,735.40 : x
  2. Step 2: Convert to fraction form
    578,839.40/867,999.90 = 223,735.40/x
  3. Step 3: Cross multiply
    578,839.40x = 867,999.90 × 223,735.40
  4. Step 4: Simplify right side
    578,839.40x = 194,202,304,826.46
  5. Step 5: Solve for x
    x = 194,202,304,826.46/578,839.40
  6. Step 6: Final answer
    x = 335,502.91

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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.