Home / 1,561,637.83-2,155,045.20-873,301.91

Finding the Fourth Proportional to 1,561,637.83, 2,155,045.20 and 873,301.91

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Solution

The fourth proportional to 1,561,637.83, 2,155,045.20 and 873,301.91 is: 1,205,148.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561,637.83 : 2,155,045.20 = 873,301.91 : x
  2. Step 2: Convert to fraction form
    1,561,637.83/2,155,045.20 = 873,301.91/x
  3. Step 3: Cross multiply
    1,561,637.83x = 2,155,045.20 × 873,301.91
  4. Step 4: Simplify right side
    1,561,637.83x = 1,882,005,075,246.22
  5. Step 5: Solve for x
    x = 1,882,005,075,246.22/1,561,637.83
  6. Step 6: Final answer
    x = 1,205,148.24

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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.