Home / 1,557,029.43-2,148,700.91-877,965.93

Finding the Fourth Proportional to 1,557,029.43, 2,148,700.91 and 877,965.93

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Solution

The fourth proportional to 1,557,029.43, 2,148,700.91 and 877,965.93 is: 1,211,593.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,029.43 : 2,148,700.91 = 877,965.93 : x
  2. Step 2: Convert to fraction form
    1,557,029.43/2,148,700.91 = 877,965.93/x
  3. Step 3: Cross multiply
    1,557,029.43x = 2,148,700.91 × 877,965.93
  4. Step 4: Simplify right side
    1,557,029.43x = 1,886,486,188,350.17
  5. Step 5: Solve for x
    x = 1,886,486,188,350.17/1,557,029.43
  6. Step 6: Final answer
    x = 1,211,593.15

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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.