Home / 526,542.18-726,623.70-297,101.22

Finding the Fourth Proportional to 526,542.18, 726,623.70 and 297,101.22

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Solution

The fourth proportional to 526,542.18, 726,623.70 and 297,101.22 is: 409,997.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,542.18 : 726,623.70 = 297,101.22 : x
  2. Step 2: Convert to fraction form
    526,542.18/726,623.70 = 297,101.22/x
  3. Step 3: Cross multiply
    526,542.18x = 726,623.70 × 297,101.22
  4. Step 4: Simplify right side
    526,542.18x = 215,880,787,750.91
  5. Step 5: Solve for x
    x = 215,880,787,750.91/526,542.18
  6. Step 6: Final answer
    x = 409,997.14

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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.