Home / 723,701.08-998,827.04-401,514.92

Finding the Fourth Proportional to 723,701.08, 998,827.04 and 401,514.92

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Solution

The fourth proportional to 723,701.08, 998,827.04 and 401,514.92 is: 554,156.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,701.08 : 998,827.04 = 401,514.92 : x
  2. Step 2: Convert to fraction form
    723,701.08/998,827.04 = 401,514.92/x
  3. Step 3: Cross multiply
    723,701.08x = 998,827.04 × 401,514.92
  4. Step 4: Simplify right side
    723,701.08x = 401,043,959,059.44
  5. Step 5: Solve for x
    x = 401,043,959,059.44/723,701.08
  6. Step 6: Final answer
    x = 554,156.92

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Double scale
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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.