Home / 723,778.47-998,934.07-401,592.36

Finding the Fourth Proportional to 723,778.47, 998,934.07 and 401,592.36

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Solution

The fourth proportional to 723,778.47, 998,934.07 and 401,592.36 is: 554,263.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,778.47 : 998,934.07 = 401,592.36 : x
  2. Step 2: Convert to fraction form
    723,778.47/998,934.07 = 401,592.36/x
  3. Step 3: Cross multiply
    723,778.47x = 998,934.07 × 401,592.36
  4. Step 4: Simplify right side
    723,778.47x = 401,164,290,655.71
  5. Step 5: Solve for x
    x = 401,164,290,655.71/723,778.47
  6. Step 6: Final answer
    x = 554,263.92

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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.