Home / 1,941,657.31-2,912,484.43-521,713.39

Finding the Fourth Proportional to 1,941,657.31, 2,912,484.43 and 521,713.39

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Solution

The fourth proportional to 1,941,657.31, 2,912,484.43 and 521,713.39 is: 782,569.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941,657.31 : 2,912,484.43 = 521,713.39 : x
  2. Step 2: Convert to fraction form
    1,941,657.31/2,912,484.43 = 521,713.39/x
  3. Step 3: Cross multiply
    1,941,657.31x = 2,912,484.43 × 521,713.39
  4. Step 4: Simplify right side
    1,941,657.31x = 1,519,482,125,297.52
  5. Step 5: Solve for x
    x = 1,519,482,125,297.52/1,941,657.31
  6. Step 6: Final answer
    x = 782,569.67

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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.