Home / 1,561,714.88-2,155,151.35-873,378.91

Finding the Fourth Proportional to 1,561,714.88, 2,155,151.35 and 873,378.91

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Solution

The fourth proportional to 1,561,714.88, 2,155,151.35 and 873,378.91 is: 1,205,254.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561,714.88 : 2,155,151.35 = 873,378.91 : x
  2. Step 2: Convert to fraction form
    1,561,714.88/2,155,151.35 = 873,378.91/x
  3. Step 3: Cross multiply
    1,561,714.88x = 2,155,151.35 × 873,378.91
  4. Step 4: Simplify right side
    1,561,714.88x = 1,882,263,736,948.03
  5. Step 5: Solve for x
    x = 1,882,263,736,948.03/1,561,714.88
  6. Step 6: Final answer
    x = 1,205,254.40

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.