Home / 696,719.12-961,561.36-410,265.92

Finding the Fourth Proportional to 696,719.12, 961,561.36 and 410,265.92

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Solution

The fourth proportional to 696,719.12, 961,561.36 and 410,265.92 is: 566,219.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,719.12 : 961,561.36 = 410,265.92 : x
  2. Step 2: Convert to fraction form
    696,719.12/961,561.36 = 410,265.92/x
  3. Step 3: Cross multiply
    696,719.12x = 961,561.36 × 410,265.92
  4. Step 4: Simplify right side
    696,719.12x = 394,495,855,996.85
  5. Step 5: Solve for x
    x = 394,495,855,996.85/696,719.12
  6. Step 6: Final answer
    x = 566,219.36

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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.