Home / 1,200,531.36-1,656,671.46-656,561.28

Finding the Fourth Proportional to 1,200,531.36, 1,656,671.46 and 656,561.28

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Solution

The fourth proportional to 1,200,531.36, 1,656,671.46 and 656,561.28 is: 906,020.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,531.36 : 1,656,671.46 = 656,561.28 : x
  2. Step 2: Convert to fraction form
    1,200,531.36/1,656,671.46 = 656,561.28/x
  3. Step 3: Cross multiply
    1,200,531.36x = 1,656,671.46 × 656,561.28
  4. Step 4: Simplify right side
    1,200,531.36x = 1,087,706,334,317.07
  5. Step 5: Solve for x
    x = 1,087,706,334,317.07/1,200,531.36
  6. Step 6: Final answer
    x = 906,020.76

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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.