Home / 696,589.13-961,398.09-424,814.69

Finding the Fourth Proportional to 696,589.13, 961,398.09 and 424,814.69

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Solution

The fourth proportional to 696,589.13, 961,398.09 and 424,814.69 is: 586,308.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,589.13 : 961,398.09 = 424,814.69 : x
  2. Step 2: Convert to fraction form
    696,589.13/961,398.09 = 424,814.69/x
  3. Step 3: Cross multiply
    696,589.13x = 961,398.09 × 424,814.69
  4. Step 4: Simplify right side
    696,589.13x = 408,416,033,973.44
  5. Step 5: Solve for x
    x = 408,416,033,973.44/696,589.13
  6. Step 6: Final answer
    x = 586,308.36

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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.