Home / 938,054.86-1,408,965.04-559,713.78

Finding the Fourth Proportional to 938,054.86, 1,408,965.04 and 559,713.78

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Solution

The fourth proportional to 938,054.86, 1,408,965.04 and 559,713.78 is: 840,694.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,054.86 : 1,408,965.04 = 559,713.78 : x
  2. Step 2: Convert to fraction form
    938,054.86/1,408,965.04 = 559,713.78/x
  3. Step 3: Cross multiply
    938,054.86x = 1,408,965.04 × 559,713.78
  4. Step 4: Simplify right side
    938,054.86x = 788,617,148,426.25
  5. Step 5: Solve for x
    x = 788,617,148,426.25/938,054.86
  6. Step 6: Final answer
    x = 840,694.06

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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.