Home / 1,718,561.80-2,577,842.70-921,400.30

Finding the Fourth Proportional to 1,718,561.80, 2,577,842.70 and 921,400.30

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Solution

The fourth proportional to 1,718,561.80, 2,577,842.70 and 921,400.30 is: 1,382,100.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,718,561.80 : 2,577,842.70 = 921,400.30 : x
  2. Step 2: Convert to fraction form
    1,718,561.80/2,577,842.70 = 921,400.30/x
  3. Step 3: Cross multiply
    1,718,561.80x = 2,577,842.70 × 921,400.30
  4. Step 4: Simplify right side
    1,718,561.80x = 2,375,225,037,132.81
  5. Step 5: Solve for x
    x = 2,375,225,037,132.81/1,718,561.80
  6. Step 6: Final answer
    x = 1,382,100.45

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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.