Home / 1,291,814.94-1,938,002.45-393,233.19

Finding the Fourth Proportional to 1,291,814.94, 1,938,002.45 and 393,233.19

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Solution

The fourth proportional to 1,291,814.94, 1,938,002.45 and 393,233.19 is: 589,935.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,814.94 : 1,938,002.45 = 393,233.19 : x
  2. Step 2: Convert to fraction form
    1,291,814.94/1,938,002.45 = 393,233.19/x
  3. Step 3: Cross multiply
    1,291,814.94x = 1,938,002.45 × 393,233.19
  4. Step 4: Simplify right side
    1,291,814.94x = 762,086,885,641.32
  5. Step 5: Solve for x
    x = 762,086,885,641.32/1,291,814.94
  6. Step 6: Final answer
    x = 589,935.03

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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.