Home / 293,656.40-441,406.20-288,126.80

Finding the Fourth Proportional to 293,656.40, 441,406.20 and 288,126.80

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Solution

The fourth proportional to 293,656.40, 441,406.20 and 288,126.80 is: 433,094.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,656.40 : 441,406.20 = 288,126.80 : x
  2. Step 2: Convert to fraction form
    293,656.40/441,406.20 = 288,126.80/x
  3. Step 3: Cross multiply
    293,656.40x = 441,406.20 × 288,126.80
  4. Step 4: Simplify right side
    293,656.40x = 127,180,955,906.16
  5. Step 5: Solve for x
    x = 127,180,955,906.16/293,656.40
  6. Step 6: Final answer
    x = 433,094.45

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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.