Home / 976,583.57-1,348,152.37-650,438.98

Finding the Fourth Proportional to 976,583.57, 1,348,152.37 and 650,438.98

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Solution

The fourth proportional to 976,583.57, 1,348,152.37 and 650,438.98 is: 897,916.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,583.57 : 1,348,152.37 = 650,438.98 : x
  2. Step 2: Convert to fraction form
    976,583.57/1,348,152.37 = 650,438.98/x
  3. Step 3: Cross multiply
    976,583.57x = 1,348,152.37 × 650,438.98
  4. Step 4: Simplify right side
    976,583.57x = 876,890,847,430.90
  5. Step 5: Solve for x
    x = 876,890,847,430.90/976,583.57
  6. Step 6: Final answer
    x = 897,916.86

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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.