Home / 613,824.14-847,119.89-372,116.90

Finding the Fourth Proportional to 613,824.14, 847,119.89 and 372,116.90

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Solution

The fourth proportional to 613,824.14, 847,119.89 and 372,116.90 is: 513,547.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,824.14 : 847,119.89 = 372,116.90 : x
  2. Step 2: Convert to fraction form
    613,824.14/847,119.89 = 372,116.90/x
  3. Step 3: Cross multiply
    613,824.14x = 847,119.89 × 372,116.90
  4. Step 4: Simplify right side
    613,824.14x = 315,227,621,298.96
  5. Step 5: Solve for x
    x = 315,227,621,298.96/613,824.14
  6. Step 6: Final answer
    x = 513,547.13

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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.