Home / 716,426.40-1,074,600.64-217,751.52

Finding the Fourth Proportional to 716,426.40, 1,074,600.64 and 217,751.52

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Solution

The fourth proportional to 716,426.40, 1,074,600.64 and 217,751.52 is: 326,615.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,426.40 : 1,074,600.64 = 217,751.52 : x
  2. Step 2: Convert to fraction form
    716,426.40/1,074,600.64 = 217,751.52/x
  3. Step 3: Cross multiply
    716,426.40x = 1,074,600.64 × 217,751.52
  4. Step 4: Simplify right side
    716,426.40x = 233,995,922,752.97
  5. Step 5: Solve for x
    x = 233,995,922,752.97/716,426.40
  6. Step 6: Final answer
    x = 326,615.44

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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.