Home / 578,749.80-868,254.30-223,732.20

Finding the Fourth Proportional to 578,749.80, 868,254.30 and 223,732.20

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Solution

The fourth proportional to 578,749.80, 868,254.30 and 223,732.20 is: 335,648.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,749.80 : 868,254.30 = 223,732.20 : x
  2. Step 2: Convert to fraction form
    578,749.80/868,254.30 = 223,732.20/x
  3. Step 3: Cross multiply
    578,749.80x = 868,254.30 × 223,732.20
  4. Step 4: Simplify right side
    578,749.80x = 194,256,444,698.46
  5. Step 5: Solve for x
    x = 194,256,444,698.46/578,749.80
  6. Step 6: Final answer
    x = 335,648.40

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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.