Home / 976,963.60-1,465,704.60-345,811.60

Finding the Fourth Proportional to 976,963.60, 1,465,704.60 and 345,811.60

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Solution

The fourth proportional to 976,963.60, 1,465,704.60 and 345,811.60 is: 518,809.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,963.60 : 1,465,704.60 = 345,811.60 : x
  2. Step 2: Convert to fraction form
    976,963.60/1,465,704.60 = 345,811.60/x
  3. Step 3: Cross multiply
    976,963.60x = 1,465,704.60 × 345,811.60
  4. Step 4: Simplify right side
    976,963.60x = 506,857,652,853.36
  5. Step 5: Solve for x
    x = 506,857,652,853.36/976,963.60
  6. Step 6: Final answer
    x = 518,809.15

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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.