Home / 869,294.80-1,199,468.21-501,637.81

Finding the Fourth Proportional to 869,294.80, 1,199,468.21 and 501,637.81

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Solution

The fourth proportional to 869,294.80, 1,199,468.21 and 501,637.81 is: 692,168.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,294.80 : 1,199,468.21 = 501,637.81 : x
  2. Step 2: Convert to fraction form
    869,294.80/1,199,468.21 = 501,637.81/x
  3. Step 3: Cross multiply
    869,294.80x = 1,199,468.21 × 501,637.81
  4. Step 4: Simplify right side
    869,294.80x = 601,698,606,029.02
  5. Step 5: Solve for x
    x = 601,698,606,029.02/869,294.80
  6. Step 6: Final answer
    x = 692,168.65

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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.