Home / 1,272,198.81-1,905,557.85-597,268.74

Finding the Fourth Proportional to 1,272,198.81, 1,905,557.85 and 597,268.74

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Solution

The fourth proportional to 1,272,198.81, 1,905,557.85 and 597,268.74 is: 894,616.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,198.81 : 1,905,557.85 = 597,268.74 : x
  2. Step 2: Convert to fraction form
    1,272,198.81/1,905,557.85 = 597,268.74/x
  3. Step 3: Cross multiply
    1,272,198.81x = 1,905,557.85 × 597,268.74
  4. Step 4: Simplify right side
    1,272,198.81x = 1,138,130,136,066.61
  5. Step 5: Solve for x
    x = 1,138,130,136,066.61/1,272,198.81
  6. Step 6: Final answer
    x = 894,616.57

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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.