Home / 691,557.75-954,366.57-385,631.15

Finding the Fourth Proportional to 691,557.75, 954,366.57 and 385,631.15

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Solution

The fourth proportional to 691,557.75, 954,366.57 and 385,631.15 is: 532,180.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,557.75 : 954,366.57 = 385,631.15 : x
  2. Step 2: Convert to fraction form
    691,557.75/954,366.57 = 385,631.15/x
  3. Step 3: Cross multiply
    691,557.75x = 954,366.57 × 385,631.15
  4. Step 4: Simplify right side
    691,557.75x = 368,033,473,138.82
  5. Step 5: Solve for x
    x = 368,033,473,138.82/691,557.75
  6. Step 6: Final answer
    x = 532,180.39

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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.