Home / 937,301.20-1,405,951.80-618,436.60

Finding the Fourth Proportional to 937,301.20, 1,405,951.80 and 618,436.60

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Solution

The fourth proportional to 937,301.20, 1,405,951.80 and 618,436.60 is: 927,654.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,301.20 : 1,405,951.80 = 618,436.60 : x
  2. Step 2: Convert to fraction form
    937,301.20/1,405,951.80 = 618,436.60/x
  3. Step 3: Cross multiply
    937,301.20x = 1,405,951.80 × 618,436.60
  4. Step 4: Simplify right side
    937,301.20x = 869,492,050,955.88
  5. Step 5: Solve for x
    x = 869,492,050,955.88/937,301.20
  6. Step 6: Final answer
    x = 927,654.90

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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.