Home / 1,067,131.88-1,472,625.95-637,328.98

Finding the Fourth Proportional to 1,067,131.88, 1,472,625.95 and 637,328.98

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Solution

The fourth proportional to 1,067,131.88, 1,472,625.95 and 637,328.98 is: 879,504.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,131.88 : 1,472,625.95 = 637,328.98 : x
  2. Step 2: Convert to fraction form
    1,067,131.88/1,472,625.95 = 637,328.98/x
  3. Step 3: Cross multiply
    1,067,131.88x = 1,472,625.95 × 637,328.98
  4. Step 4: Simplify right side
    1,067,131.88x = 938,547,187,766.82
  5. Step 5: Solve for x
    x = 938,547,187,766.82/1,067,131.88
  6. Step 6: Final answer
    x = 879,504.40

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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.