Home / 676,953.92-1,015,430.88-344,763.20

Finding the Fourth Proportional to 676,953.92, 1,015,430.88 and 344,763.20

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Solution

The fourth proportional to 676,953.92, 1,015,430.88 and 344,763.20 is: 517,144.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,953.92 : 1,015,430.88 = 344,763.20 : x
  2. Step 2: Convert to fraction form
    676,953.92/1,015,430.88 = 344,763.20/x
  3. Step 3: Cross multiply
    676,953.92x = 1,015,430.88 × 344,763.20
  4. Step 4: Simplify right side
    676,953.92x = 350,083,199,567.62
  5. Step 5: Solve for x
    x = 350,083,199,567.62/676,953.92
  6. Step 6: Final answer
    x = 517,144.80

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Similar ratio
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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.