Home / 1,521,039.06-2,292,235.38-1,369,387.62

Finding the Fourth Proportional to 1,521,039.06, 2,292,235.38 and 1,369,387.62

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Solution

The fourth proportional to 1,521,039.06, 2,292,235.38 and 1,369,387.62 is: 2,063,693.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,039.06 : 2,292,235.38 = 1,369,387.62 : x
  2. Step 2: Convert to fraction form
    1,521,039.06/2,292,235.38 = 1,369,387.62/x
  3. Step 3: Cross multiply
    1,521,039.06x = 2,292,235.38 × 1,369,387.62
  4. Step 4: Simplify right side
    1,521,039.06x = 3,138,958,751,498.00
  5. Step 5: Solve for x
    x = 3,138,958,751,498.00/1,521,039.06
  6. Step 6: Final answer
    x = 2,063,693.72

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.