Home / 979,517.58-1,351,688.76-543,962.58

Finding the Fourth Proportional to 979,517.58, 1,351,688.76 and 543,962.58

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Solution

The fourth proportional to 979,517.58, 1,351,688.76 and 543,962.58 is: 750,643.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,517.58 : 1,351,688.76 = 543,962.58 : x
  2. Step 2: Convert to fraction form
    979,517.58/1,351,688.76 = 543,962.58/x
  3. Step 3: Cross multiply
    979,517.58x = 1,351,688.76 × 543,962.58
  4. Step 4: Simplify right side
    979,517.58x = 735,268,105,246.60
  5. Step 5: Solve for x
    x = 735,268,105,246.60/979,517.58
  6. Step 6: Final answer
    x = 750,643.09

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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.