Home / 696,331.96-961,109.04-424,549.72

Finding the Fourth Proportional to 696,331.96, 961,109.04 and 424,549.72

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Solution

The fourth proportional to 696,331.96, 961,109.04 and 424,549.72 is: 585,982.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,331.96 : 961,109.04 = 424,549.72 : x
  2. Step 2: Convert to fraction form
    696,331.96/961,109.04 = 424,549.72/x
  3. Step 3: Cross multiply
    696,331.96x = 961,109.04 × 424,549.72
  4. Step 4: Simplify right side
    696,331.96x = 408,038,576,614.92
  5. Step 5: Solve for x
    x = 408,038,576,614.92/696,331.96
  6. Step 6: Final answer
    x = 585,982.84

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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.