Home / 1,134,984.39-1,566,199.98-638,342.66

Finding the Fourth Proportional to 1,134,984.39, 1,566,199.98 and 638,342.66

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Solution

The fourth proportional to 1,134,984.39, 1,566,199.98 and 638,342.66 is: 880,868.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134,984.39 : 1,566,199.98 = 638,342.66 : x
  2. Step 2: Convert to fraction form
    1,134,984.39/1,566,199.98 = 638,342.66/x
  3. Step 3: Cross multiply
    1,134,984.39x = 1,566,199.98 × 638,342.66
  4. Step 4: Simplify right side
    1,134,984.39x = 999,772,261,325.15
  5. Step 5: Solve for x
    x = 999,772,261,325.15/1,134,984.39
  6. Step 6: Final answer
    x = 880,868.73

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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.