Home / 1,708,862.49-2,561,785.24-644,651.89

Finding the Fourth Proportional to 1,708,862.49, 2,561,785.24 and 644,651.89

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Solution

The fourth proportional to 1,708,862.49, 2,561,785.24 and 644,651.89 is: 966,408.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,708,862.49 : 2,561,785.24 = 644,651.89 : x
  2. Step 2: Convert to fraction form
    1,708,862.49/2,561,785.24 = 644,651.89/x
  3. Step 3: Cross multiply
    1,708,862.49x = 2,561,785.24 × 644,651.89
  4. Step 4: Simplify right side
    1,708,862.49x = 1,651,459,696,740.10
  5. Step 5: Solve for x
    x = 1,651,459,696,740.10/1,708,862.49
  6. Step 6: Final answer
    x = 966,408.77

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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.