Home / 1,257,039.09-1,885,575.93-358,480.92

Finding the Fourth Proportional to 1,257,039.09, 1,885,575.93 and 358,480.92

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Solution

The fourth proportional to 1,257,039.09, 1,885,575.93 and 358,480.92 is: 537,726.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,039.09 : 1,885,575.93 = 358,480.92 : x
  2. Step 2: Convert to fraction form
    1,257,039.09/1,885,575.93 = 358,480.92/x
  3. Step 3: Cross multiply
    1,257,039.09x = 1,885,575.93 × 358,480.92
  4. Step 4: Simplify right side
    1,257,039.09x = 675,942,994,116.26
  5. Step 5: Solve for x
    x = 675,942,994,116.26/1,257,039.09
  6. Step 6: Final answer
    x = 537,726.31

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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.