Home / 533,966.29-736,870.83-288,950.88

Finding the Fourth Proportional to 533,966.29, 736,870.83 and 288,950.88

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Solution

The fourth proportional to 533,966.29, 736,870.83 and 288,950.88 is: 398,750.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,966.29 : 736,870.83 = 288,950.88 : x
  2. Step 2: Convert to fraction form
    533,966.29/736,870.83 = 288,950.88/x
  3. Step 3: Cross multiply
    533,966.29x = 736,870.83 × 288,950.88
  4. Step 4: Simplify right side
    533,966.29x = 212,919,474,774.83
  5. Step 5: Solve for x
    x = 212,919,474,774.83/533,966.29
  6. Step 6: Final answer
    x = 398,750.78

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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.