Home / 712,194.72-982,828.94-389,925.29

Finding the Fourth Proportional to 712,194.72, 982,828.94 and 389,925.29

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Solution

The fourth proportional to 712,194.72, 982,828.94 and 389,925.29 is: 538,097.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,194.72 : 982,828.94 = 389,925.29 : x
  2. Step 2: Convert to fraction form
    712,194.72/982,828.94 = 389,925.29/x
  3. Step 3: Cross multiply
    712,194.72x = 982,828.94 × 389,925.29
  4. Step 4: Simplify right side
    712,194.72x = 383,229,852,586.12
  5. Step 5: Solve for x
    x = 383,229,852,586.12/712,194.72
  6. Step 6: Final answer
    x = 538,097.01

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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.