Home / 592,565.85-817,739.23-320,638.38

Finding the Fourth Proportional to 592,565.85, 817,739.23 and 320,638.38

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Solution

The fourth proportional to 592,565.85, 817,739.23 and 320,638.38 is: 442,480.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,565.85 : 817,739.23 = 320,638.38 : x
  2. Step 2: Convert to fraction form
    592,565.85/817,739.23 = 320,638.38/x
  3. Step 3: Cross multiply
    592,565.85x = 817,739.23 × 320,638.38
  4. Step 4: Simplify right side
    592,565.85x = 262,198,581,969.65
  5. Step 5: Solve for x
    x = 262,198,581,969.65/592,565.85
  6. Step 6: Final answer
    x = 442,480.08

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1.5x scale

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.