Home / 371,212.26-512,008.27-340,683.75

Finding the Fourth Proportional to 371,212.26, 512,008.27 and 340,683.75

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Solution

The fourth proportional to 371,212.26, 512,008.27 and 340,683.75 is: 469,900.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,212.26 : 512,008.27 = 340,683.75 : x
  2. Step 2: Convert to fraction form
    371,212.26/512,008.27 = 340,683.75/x
  3. Step 3: Cross multiply
    371,212.26x = 512,008.27 × 340,683.75
  4. Step 4: Simplify right side
    371,212.26x = 174,432,897,454.61
  5. Step 5: Solve for x
    x = 174,432,897,454.61/371,212.26
  6. Step 6: Final answer
    x = 469,900.69

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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.