Home / 1,038,605.60-1,557,793.20-851,290.40

Finding the Fourth Proportional to 1,038,605.60, 1,557,793.20 and 851,290.40

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Solution

The fourth proportional to 1,038,605.60, 1,557,793.20 and 851,290.40 is: 1,276,841.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,605.60 : 1,557,793.20 = 851,290.40 : x
  2. Step 2: Convert to fraction form
    1,038,605.60/1,557,793.20 = 851,290.40/x
  3. Step 3: Cross multiply
    1,038,605.60x = 1,557,793.20 × 851,290.40
  4. Step 4: Simplify right side
    1,038,605.60x = 1,326,134,396,345.28
  5. Step 5: Solve for x
    x = 1,326,134,396,345.28/1,038,605.60
  6. Step 6: Final answer
    x = 1,276,841.18

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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.