Home / 696,590.13-961,399.47-424,815.69

Finding the Fourth Proportional to 696,590.13, 961,399.47 and 424,815.69

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Solution

The fourth proportional to 696,590.13, 961,399.47 and 424,815.69 is: 586,309.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,590.13 : 961,399.47 = 424,815.69 : x
  2. Step 2: Convert to fraction form
    696,590.13/961,399.47 = 424,815.69/x
  3. Step 3: Cross multiply
    696,590.13x = 961,399.47 × 424,815.69
  4. Step 4: Simplify right side
    696,590.13x = 408,417,579,213.68
  5. Step 5: Solve for x
    x = 408,417,579,213.68/696,590.13
  6. Step 6: Final answer
    x = 586,309.74

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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.