Home / 705,023.73-972,933.95-403,217.73

Finding the Fourth Proportional to 705,023.73, 972,933.95 and 403,217.73

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Solution

The fourth proportional to 705,023.73, 972,933.95 and 403,217.73 is: 556,441.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,023.73 : 972,933.95 = 403,217.73 : x
  2. Step 2: Convert to fraction form
    705,023.73/972,933.95 = 403,217.73/x
  3. Step 3: Cross multiply
    705,023.73x = 972,933.95 × 403,217.73
  4. Step 4: Simplify right side
    705,023.73x = 392,304,216,742.85
  5. Step 5: Solve for x
    x = 392,304,216,742.85/705,023.73
  6. Step 6: Final answer
    x = 556,441.15

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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.