Home / 976,252.90-1,347,390.21-670,077.76

Finding the Fourth Proportional to 976,252.90, 1,347,390.21 and 670,077.76

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Solution

The fourth proportional to 976,252.90, 1,347,390.21 and 670,077.76 is: 924,817.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,252.90 : 1,347,390.21 = 670,077.76 : x
  2. Step 2: Convert to fraction form
    976,252.90/1,347,390.21 = 670,077.76/x
  3. Step 3: Cross multiply
    976,252.90x = 1,347,390.21 × 670,077.76
  4. Step 4: Simplify right side
    976,252.90x = 902,856,213,762.73
  5. Step 5: Solve for x
    x = 902,856,213,762.73/976,252.90
  6. Step 6: Final answer
    x = 924,817.96

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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.