Home / 711,782.14-982,326.18-425,296.12

Finding the Fourth Proportional to 711,782.14, 982,326.18 and 425,296.12

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Solution

The fourth proportional to 711,782.14, 982,326.18 and 425,296.12 is: 586,948.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,782.14 : 982,326.18 = 425,296.12 : x
  2. Step 2: Convert to fraction form
    711,782.14/982,326.18 = 425,296.12/x
  3. Step 3: Cross multiply
    711,782.14x = 982,326.18 × 425,296.12
  4. Step 4: Simplify right side
    711,782.14x = 417,779,512,928.42
  5. Step 5: Solve for x
    x = 417,779,512,928.42/711,782.14
  6. Step 6: Final answer
    x = 586,948.58

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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.