Home / 1,591,436.64-2,196,210.56-866,305.12

Finding the Fourth Proportional to 1,591,436.64, 2,196,210.56 and 866,305.12

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Solution

The fourth proportional to 1,591,436.64, 2,196,210.56 and 866,305.12 is: 1,195,516.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591,436.64 : 2,196,210.56 = 866,305.12 : x
  2. Step 2: Convert to fraction form
    1,591,436.64/2,196,210.56 = 866,305.12/x
  3. Step 3: Cross multiply
    1,591,436.64x = 2,196,210.56 × 866,305.12
  4. Step 4: Simplify right side
    1,591,436.64x = 1,902,588,452,726.07
  5. Step 5: Solve for x
    x = 1,902,588,452,726.07/1,591,436.64
  6. Step 6: Final answer
    x = 1,195,516.31

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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.