Home / 882,000.30-1,321,639.65-656,301.90

Finding the Fourth Proportional to 882,000.30, 1,321,639.65 and 656,301.90

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Solution

The fourth proportional to 882,000.30, 1,321,639.65 and 656,301.90 is: 983,440.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,000.30 : 1,321,639.65 = 656,301.90 : x
  2. Step 2: Convert to fraction form
    882,000.30/1,321,639.65 = 656,301.90/x
  3. Step 3: Cross multiply
    882,000.30x = 1,321,639.65 × 656,301.90
  4. Step 4: Simplify right side
    882,000.30x = 867,394,613,410.34
  5. Step 5: Solve for x
    x = 867,394,613,410.34/882,000.30
  6. Step 6: Final answer
    x = 983,440.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.