Home / 819,010.60-1,228,515.90-732,405.40

Finding the Fourth Proportional to 819,010.60, 1,228,515.90 and 732,405.40

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Solution

The fourth proportional to 819,010.60, 1,228,515.90 and 732,405.40 is: 1,098,608.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,010.60 : 1,228,515.90 = 732,405.40 : x
  2. Step 2: Convert to fraction form
    819,010.60/1,228,515.90 = 732,405.40/x
  3. Step 3: Cross multiply
    819,010.60x = 1,228,515.90 × 732,405.40
  4. Step 4: Simplify right side
    819,010.60x = 899,771,679,145.86
  5. Step 5: Solve for x
    x = 899,771,679,145.86/819,010.60
  6. Step 6: Final answer
    x = 1,098,608.10

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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.