Home / 723,354.32-998,227.23-401,056.13

Finding the Fourth Proportional to 723,354.32, 998,227.23 and 401,056.13

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Solution

The fourth proportional to 723,354.32, 998,227.23 and 401,056.13 is: 553,456.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,354.32 : 998,227.23 = 401,056.13 : x
  2. Step 2: Convert to fraction form
    723,354.32/998,227.23 = 401,056.13/x
  3. Step 3: Cross multiply
    723,354.32x = 998,227.23 × 401,056.13
  4. Step 4: Simplify right side
    723,354.32x = 400,345,149,724.42
  5. Step 5: Solve for x
    x = 400,345,149,724.42/723,354.32
  6. Step 6: Final answer
    x = 553,456.50

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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.