Home / 976,436.60-1,470,506.21-859,387.64

Finding the Fourth Proportional to 976,436.60, 1,470,506.21 and 859,387.64

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Solution

The fourth proportional to 976,436.60, 1,470,506.21 and 859,387.64 is: 1,294,231.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,436.60 : 1,470,506.21 = 859,387.64 : x
  2. Step 2: Convert to fraction form
    976,436.60/1,470,506.21 = 859,387.64/x
  3. Step 3: Cross multiply
    976,436.60x = 1,470,506.21 × 859,387.64
  4. Step 4: Simplify right side
    976,436.60x = 1,263,734,861,417.24
  5. Step 5: Solve for x
    x = 1,263,734,861,417.24/976,436.60
  6. Step 6: Final answer
    x = 1,294,231.35

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.