Home / 1,067,475.63-1,472,970.89-637,664.52

Finding the Fourth Proportional to 1,067,475.63, 1,472,970.89 and 637,664.52

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Solution

The fourth proportional to 1,067,475.63, 1,472,970.89 and 637,664.52 is: 879,890.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,475.63 : 1,472,970.89 = 637,664.52 : x
  2. Step 2: Convert to fraction form
    1,067,475.63/1,472,970.89 = 637,664.52/x
  3. Step 3: Cross multiply
    1,067,475.63x = 1,472,970.89 × 637,664.52
  4. Step 4: Simplify right side
    1,067,475.63x = 939,261,275,545.82
  5. Step 5: Solve for x
    x = 939,261,275,545.82/1,067,475.63
  6. Step 6: Final answer
    x = 879,890.13

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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.