Home / 882,007.80-1,321,650.90-656,309.40

Finding the Fourth Proportional to 882,007.80, 1,321,650.90 and 656,309.40

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Solution

The fourth proportional to 882,007.80, 1,321,650.90 and 656,309.40 is: 983,451.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,007.80 : 1,321,650.90 = 656,309.40 : x
  2. Step 2: Convert to fraction form
    882,007.80/1,321,650.90 = 656,309.40/x
  3. Step 3: Cross multiply
    882,007.80x = 1,321,650.90 × 656,309.40
  4. Step 4: Simplify right side
    882,007.80x = 867,411,909,188.46
  5. Step 5: Solve for x
    x = 867,411,909,188.46/882,007.80
  6. Step 6: Final answer
    x = 983,451.52

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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.