Home / 819,117.60-1,228,676.40-732,512.40

Finding the Fourth Proportional to 819,117.60, 1,228,676.40 and 732,512.40

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Solution

The fourth proportional to 819,117.60, 1,228,676.40 and 732,512.40 is: 1,098,768.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,117.60 : 1,228,676.40 = 732,512.40 : x
  2. Step 2: Convert to fraction form
    819,117.60/1,228,676.40 = 732,512.40/x
  3. Step 3: Cross multiply
    819,117.60x = 1,228,676.40 × 732,512.40
  4. Step 4: Simplify right side
    819,117.60x = 900,020,698,587.36
  5. Step 5: Solve for x
    x = 900,020,698,587.36/819,117.60
  6. Step 6: Final answer
    x = 1,098,768.60

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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.