Home / 539,079.40-808,716.30-223,568.20

Finding the Fourth Proportional to 539,079.40, 808,716.30 and 223,568.20

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Solution

The fourth proportional to 539,079.40, 808,716.30 and 223,568.20 is: 335,392.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,079.40 : 808,716.30 = 223,568.20 : x
  2. Step 2: Convert to fraction form
    539,079.40/808,716.30 = 223,568.20/x
  3. Step 3: Cross multiply
    539,079.40x = 808,716.30 × 223,568.20
  4. Step 4: Simplify right side
    539,079.40x = 180,803,247,501.66
  5. Step 5: Solve for x
    x = 180,803,247,501.66/539,079.40
  6. Step 6: Final answer
    x = 335,392.61

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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.