Home / 1,905,347.13-2,857,418.76-625,743.76

Finding the Fourth Proportional to 1,905,347.13, 2,857,418.76 and 625,743.76

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Solution

The fourth proportional to 1,905,347.13, 2,857,418.76 and 625,743.76 is: 938,417.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905,347.13 : 2,857,418.76 = 625,743.76 : x
  2. Step 2: Convert to fraction form
    1,905,347.13/2,857,418.76 = 625,743.76/x
  3. Step 3: Cross multiply
    1,905,347.13x = 2,857,418.76 × 625,743.76
  4. Step 4: Simplify right side
    1,905,347.13x = 1,788,011,944,489.84
  5. Step 5: Solve for x
    x = 1,788,011,944,489.84/1,905,347.13
  6. Step 6: Final answer
    x = 938,417.95

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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.