Home / 696,937.65-961,831.92-386,869.42

Finding the Fourth Proportional to 696,937.65, 961,831.92 and 386,869.42

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Solution

The fourth proportional to 696,937.65, 961,831.92 and 386,869.42 is: 533,911.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,937.65 : 961,831.92 = 386,869.42 : x
  2. Step 2: Convert to fraction form
    696,937.65/961,831.92 = 386,869.42/x
  3. Step 3: Cross multiply
    696,937.65x = 961,831.92 × 386,869.42
  4. Step 4: Simplify right side
    696,937.65x = 372,103,354,623.31
  5. Step 5: Solve for x
    x = 372,103,354,623.31/696,937.65
  6. Step 6: Final answer
    x = 533,911.97

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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.