Home / 807,955.62-1,114,971.13-440,432.70

Finding the Fourth Proportional to 807,955.62, 1,114,971.13 and 440,432.70

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Solution

The fourth proportional to 807,955.62, 1,114,971.13 and 440,432.70 is: 607,792.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,955.62 : 1,114,971.13 = 440,432.70 : x
  2. Step 2: Convert to fraction form
    807,955.62/1,114,971.13 = 440,432.70/x
  3. Step 3: Cross multiply
    807,955.62x = 1,114,971.13 × 440,432.70
  4. Step 4: Simplify right side
    807,955.62x = 491,069,745,207.95
  5. Step 5: Solve for x
    x = 491,069,745,207.95/807,955.62
  6. Step 6: Final answer
    x = 607,792.97

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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.