Home / 1,368,127.87-1,887,556.17-885,303.88

Finding the Fourth Proportional to 1,368,127.87, 1,887,556.17 and 885,303.88

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Solution

The fourth proportional to 1,368,127.87, 1,887,556.17 and 885,303.88 is: 1,221,421.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,127.87 : 1,887,556.17 = 885,303.88 : x
  2. Step 2: Convert to fraction form
    1,368,127.87/1,887,556.17 = 885,303.88/x
  3. Step 3: Cross multiply
    1,368,127.87x = 1,887,556.17 × 885,303.88
  4. Step 4: Simplify right side
    1,368,127.87x = 1,671,060,801,018.94
  5. Step 5: Solve for x
    x = 1,671,060,801,018.94/1,368,127.87
  6. Step 6: Final answer
    x = 1,221,421.50

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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.