Home / 869,475.38-1,199,852.87-501,940.12

Finding the Fourth Proportional to 869,475.38, 1,199,852.87 and 501,940.12

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Solution

The fourth proportional to 869,475.38, 1,199,852.87 and 501,940.12 is: 692,664.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,475.38 : 1,199,852.87 = 501,940.12 : x
  2. Step 2: Convert to fraction form
    869,475.38/1,199,852.87 = 501,940.12/x
  3. Step 3: Cross multiply
    869,475.38x = 1,199,852.87 × 501,940.12
  4. Step 4: Simplify right side
    869,475.38x = 602,254,293,550.14
  5. Step 5: Solve for x
    x = 602,254,293,550.14/869,475.38
  6. Step 6: Final answer
    x = 692,664.00

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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.