Home / 1,019,907.60-1,527,787.80-521,552.40

Finding the Fourth Proportional to 1,019,907.60, 1,527,787.80 and 521,552.40

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Solution

The fourth proportional to 1,019,907.60, 1,527,787.80 and 521,552.40 is: 781,268.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,907.60 : 1,527,787.80 = 521,552.40 : x
  2. Step 2: Convert to fraction form
    1,019,907.60/1,527,787.80 = 521,552.40/x
  3. Step 3: Cross multiply
    1,019,907.60x = 1,527,787.80 × 521,552.40
  4. Step 4: Simplify right side
    1,019,907.60x = 796,821,393,780.72
  5. Step 5: Solve for x
    x = 796,821,393,780.72/1,019,907.60
  6. Step 6: Final answer
    x = 781,268.22

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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.