Home / 1,268,268.54-1,750,113.45-724,329.24

Finding the Fourth Proportional to 1,268,268.54, 1,750,113.45 and 724,329.24

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Solution

The fourth proportional to 1,268,268.54, 1,750,113.45 and 724,329.24 is: 999,518.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,268.54 : 1,750,113.45 = 724,329.24 : x
  2. Step 2: Convert to fraction form
    1,268,268.54/1,750,113.45 = 724,329.24/x
  3. Step 3: Cross multiply
    1,268,268.54x = 1,750,113.45 × 724,329.24
  4. Step 4: Simplify right side
    1,268,268.54x = 1,267,658,345,152.28
  5. Step 5: Solve for x
    x = 1,267,658,345,152.28/1,268,268.54
  6. Step 6: Final answer
    x = 999,518.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.