Home / 1,235,065.20-1,852,597.80-857,151.60

Finding the Fourth Proportional to 1,235,065.20, 1,852,597.80 and 857,151.60

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Solution

The fourth proportional to 1,235,065.20, 1,852,597.80 and 857,151.60 is: 1,285,727.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,065.20 : 1,852,597.80 = 857,151.60 : x
  2. Step 2: Convert to fraction form
    1,235,065.20/1,852,597.80 = 857,151.60/x
  3. Step 3: Cross multiply
    1,235,065.20x = 1,852,597.80 × 857,151.60
  4. Step 4: Simplify right side
    1,235,065.20x = 1,587,957,168,426.48
  5. Step 5: Solve for x
    x = 1,587,957,168,426.48/1,235,065.20
  6. Step 6: Final answer
    x = 1,285,727.40

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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.