Home / 440,707.36-608,180.88-239,503.36

Finding the Fourth Proportional to 440,707.36, 608,180.88 and 239,503.36

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Solution

The fourth proportional to 440,707.36, 608,180.88 and 239,503.36 is: 330,517.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,707.36 : 608,180.88 = 239,503.36 : x
  2. Step 2: Convert to fraction form
    440,707.36/608,180.88 = 239,503.36/x
  3. Step 3: Cross multiply
    440,707.36x = 608,180.88 × 239,503.36
  4. Step 4: Simplify right side
    440,707.36x = 145,661,364,247.76
  5. Step 5: Solve for x
    x = 145,661,364,247.76/440,707.36
  6. Step 6: Final answer
    x = 330,517.20

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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.