Home / 1,200,730.44-1,657,021.09-656,854.55

Finding the Fourth Proportional to 1,200,730.44, 1,657,021.09 and 656,854.55

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Solution

The fourth proportional to 1,200,730.44, 1,657,021.09 and 656,854.55 is: 906,466.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,730.44 : 1,657,021.09 = 656,854.55 : x
  2. Step 2: Convert to fraction form
    1,200,730.44/1,657,021.09 = 656,854.55/x
  3. Step 3: Cross multiply
    1,200,730.44x = 1,657,021.09 × 656,854.55
  4. Step 4: Simplify right side
    1,200,730.44x = 1,088,421,839,128.19
  5. Step 5: Solve for x
    x = 1,088,421,839,128.19/1,200,730.44
  6. Step 6: Final answer
    x = 906,466.43

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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.