Home / 905,361.58-1,248,930.48-614,988.10

Finding the Fourth Proportional to 905,361.58, 1,248,930.48 and 614,988.10

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Solution

The fourth proportional to 905,361.58, 1,248,930.48 and 614,988.10 is: 848,365.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,361.58 : 1,248,930.48 = 614,988.10 : x
  2. Step 2: Convert to fraction form
    905,361.58/1,248,930.48 = 614,988.10/x
  3. Step 3: Cross multiply
    905,361.58x = 1,248,930.48 × 614,988.10
  4. Step 4: Simplify right side
    905,361.58x = 768,077,382,927.29
  5. Step 5: Solve for x
    x = 768,077,382,927.29/905,361.58
  6. Step 6: Final answer
    x = 848,365.34

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1.5x scale

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.