Home / 716,965.70-1,074,152.55-417,200.90

Finding the Fourth Proportional to 716,965.70, 1,074,152.55 and 417,200.90

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Solution

The fourth proportional to 716,965.70, 1,074,152.55 and 417,200.90 is: 625,047.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,965.70 : 1,074,152.55 = 417,200.90 : x
  2. Step 2: Convert to fraction form
    716,965.70/1,074,152.55 = 417,200.90/x
  3. Step 3: Cross multiply
    716,965.70x = 1,074,152.55 × 417,200.90
  4. Step 4: Simplify right side
    716,965.70x = 448,137,410,597.30
  5. Step 5: Solve for x
    x = 448,137,410,597.30/716,965.70
  6. Step 6: Final answer
    x = 625,047.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.