Home / 794,503.60-1,189,787.10-509,756.20

Finding the Fourth Proportional to 794,503.60, 1,189,787.10 and 509,756.20

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Solution

The fourth proportional to 794,503.60, 1,189,787.10 and 509,756.20 is: 763,371.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    794,503.60 : 1,189,787.10 = 509,756.20 : x
  2. Step 2: Convert to fraction form
    794,503.60/1,189,787.10 = 509,756.20/x
  3. Step 3: Cross multiply
    794,503.60x = 1,189,787.10 × 509,756.20
  4. Step 4: Simplify right side
    794,503.60x = 606,501,350,905.02
  5. Step 5: Solve for x
    x = 606,501,350,905.02/794,503.60
  6. Step 6: Final answer
    x = 763,371.43

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1.5x scale

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.