Home / 1,712,336.79-2,364,613.20-1,281,869.58

Finding the Fourth Proportional to 1,712,336.79, 2,364,613.20 and 1,281,869.58

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Solution

The fourth proportional to 1,712,336.79, 2,364,613.20 and 1,281,869.58 is: 1,770,169.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712,336.79 : 2,364,613.20 = 1,281,869.58 : x
  2. Step 2: Convert to fraction form
    1,712,336.79/2,364,613.20 = 1,281,869.58/x
  3. Step 3: Cross multiply
    1,712,336.79x = 2,364,613.20 × 1,281,869.58
  4. Step 4: Simplify right side
    1,712,336.79x = 3,031,125,729,546.46
  5. Step 5: Solve for x
    x = 3,031,125,729,546.46/1,712,336.79
  6. Step 6: Final answer
    x = 1,770,169.13

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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.