Home / 1,941,656.31-2,912,482.94-521,712.39

Finding the Fourth Proportional to 1,941,656.31, 2,912,482.94 and 521,712.39

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Solution

The fourth proportional to 1,941,656.31, 2,912,482.94 and 521,712.39 is: 782,568.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941,656.31 : 2,912,482.94 = 521,712.39 : x
  2. Step 2: Convert to fraction form
    1,941,656.31/2,912,482.94 = 521,712.39/x
  3. Step 3: Cross multiply
    1,941,656.31x = 2,912,482.94 × 521,712.39
  4. Step 4: Simplify right side
    1,941,656.31x = 1,519,478,432,853.06
  5. Step 5: Solve for x
    x = 1,519,478,432,853.06/1,941,656.31
  6. Step 6: Final answer
    x = 782,568.17

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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.