Home / 664,514.57-997,280.33-344,928.26

Finding the Fourth Proportional to 664,514.57, 997,280.33 and 344,928.26

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Solution

The fourth proportional to 664,514.57, 997,280.33 and 344,928.26 is: 517,656.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,514.57 : 997,280.33 = 344,928.26 : x
  2. Step 2: Convert to fraction form
    664,514.57/997,280.33 = 344,928.26/x
  3. Step 3: Cross multiply
    664,514.57x = 997,280.33 × 344,928.26
  4. Step 4: Simplify right side
    664,514.57x = 343,990,162,248.08
  5. Step 5: Solve for x
    x = 343,990,162,248.08/664,514.57
  6. Step 6: Final answer
    x = 517,656.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.