Home / 711,948.23-982,370.45-406,046.84

Finding the Fourth Proportional to 711,948.23, 982,370.45 and 406,046.84

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Solution

The fourth proportional to 711,948.23, 982,370.45 and 406,046.84 is: 560,277.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,948.23 : 982,370.45 = 406,046.84 : x
  2. Step 2: Convert to fraction form
    711,948.23/982,370.45 = 406,046.84/x
  3. Step 3: Cross multiply
    711,948.23x = 982,370.45 × 406,046.84
  4. Step 4: Simplify right side
    711,948.23x = 398,888,416,719.03
  5. Step 5: Solve for x
    x = 398,888,416,719.03/711,948.23
  6. Step 6: Final answer
    x = 560,277.28

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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.