Home / 533,965.29-736,869.45-288,949.88

Finding the Fourth Proportional to 533,965.29, 736,869.45 and 288,949.88

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Solution

The fourth proportional to 533,965.29, 736,869.45 and 288,949.88 is: 398,749.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,965.29 : 736,869.45 = 288,949.88 : x
  2. Step 2: Convert to fraction form
    533,965.29/736,869.45 = 288,949.88/x
  3. Step 3: Cross multiply
    533,965.29x = 736,869.45 × 288,949.88
  4. Step 4: Simplify right side
    533,965.29x = 212,918,334,385.26
  5. Step 5: Solve for x
    x = 212,918,334,385.26/533,965.29
  6. Step 6: Final answer
    x = 398,749.39

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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.