Home / 398,726.22-597,412.28-240,622.46

Finding the Fourth Proportional to 398,726.22, 597,412.28 and 240,622.46

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Solution

The fourth proportional to 398,726.22, 597,412.28 and 240,622.46 is: 360,525.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,726.22 : 597,412.28 = 240,622.46 : x
  2. Step 2: Convert to fraction form
    398,726.22/597,412.28 = 240,622.46/x
  3. Step 3: Cross multiply
    398,726.22x = 597,412.28 × 240,622.46
  4. Step 4: Simplify right side
    398,726.22x = 143,750,812,447.81
  5. Step 5: Solve for x
    x = 143,750,812,447.81/398,726.22
  6. Step 6: Final answer
    x = 360,525.11

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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.