Home / 1,609,377.16-2,220,904.78-874,312.45

Finding the Fourth Proportional to 1,609,377.16, 2,220,904.78 and 874,312.45

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Solution

The fourth proportional to 1,609,377.16, 2,220,904.78 and 874,312.45 is: 1,206,531.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609,377.16 : 2,220,904.78 = 874,312.45 : x
  2. Step 2: Convert to fraction form
    1,609,377.16/2,220,904.78 = 874,312.45/x
  3. Step 3: Cross multiply
    1,609,377.16x = 2,220,904.78 × 874,312.45
  4. Step 4: Simplify right side
    1,609,377.16x = 1,941,764,704,775.39
  5. Step 5: Solve for x
    x = 1,941,764,704,775.39/1,609,377.16
  6. Step 6: Final answer
    x = 1,206,531.79

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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.