Home / 1,656,777.30-2,286,366.30-931,618.68

Finding the Fourth Proportional to 1,656,777.30, 2,286,366.30 and 931,618.68

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Solution

The fourth proportional to 1,656,777.30, 2,286,366.30 and 931,618.68 is: 1,285,641.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656,777.30 : 2,286,366.30 = 931,618.68 : x
  2. Step 2: Convert to fraction form
    1,656,777.30/2,286,366.30 = 931,618.68/x
  3. Step 3: Cross multiply
    1,656,777.30x = 2,286,366.30 × 931,618.68
  4. Step 4: Simplify right side
    1,656,777.30x = 2,130,021,554,402.48
  5. Step 5: Solve for x
    x = 2,130,021,554,402.48/1,656,777.30
  6. Step 6: Final answer
    x = 1,285,641.44

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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.