Home / 773,436.68-1,067,538.80-528,520.57

Finding the Fourth Proportional to 773,436.68, 1,067,538.80 and 528,520.57

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Solution

The fourth proportional to 773,436.68, 1,067,538.80 and 528,520.57 is: 729,492.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,436.68 : 1,067,538.80 = 528,520.57 : x
  2. Step 2: Convert to fraction form
    773,436.68/1,067,538.80 = 528,520.57/x
  3. Step 3: Cross multiply
    773,436.68x = 1,067,538.80 × 528,520.57
  4. Step 4: Simplify right side
    773,436.68x = 564,216,209,761.67
  5. Step 5: Solve for x
    x = 564,216,209,761.67/773,436.68
  6. Step 6: Final answer
    x = 729,492.44

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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.