Home / 1,157,515.80-1,597,371.39-641,303.16

Finding the Fourth Proportional to 1,157,515.80, 1,597,371.39 and 641,303.16

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Solution

The fourth proportional to 1,157,515.80, 1,597,371.39 and 641,303.16 is: 884,998.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,515.80 : 1,597,371.39 = 641,303.16 : x
  2. Step 2: Convert to fraction form
    1,157,515.80/1,597,371.39 = 641,303.16/x
  3. Step 3: Cross multiply
    1,157,515.80x = 1,597,371.39 × 641,303.16
  4. Step 4: Simplify right side
    1,157,515.80x = 1,024,399,320,100.59
  5. Step 5: Solve for x
    x = 1,024,399,320,100.59/1,157,515.80
  6. Step 6: Final answer
    x = 884,998.13

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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.