Home / 1,137,718.88-1,570,057.41-621,479.94

Finding the Fourth Proportional to 1,137,718.88, 1,570,057.41 and 621,479.94

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Solution

The fourth proportional to 1,137,718.88, 1,570,057.41 and 621,479.94 is: 857,645.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,718.88 : 1,570,057.41 = 621,479.94 : x
  2. Step 2: Convert to fraction form
    1,137,718.88/1,570,057.41 = 621,479.94/x
  3. Step 3: Cross multiply
    1,137,718.88x = 1,570,057.41 × 621,479.94
  4. Step 4: Simplify right side
    1,137,718.88x = 975,759,175,559.37
  5. Step 5: Solve for x
    x = 975,759,175,559.37/1,137,718.88
  6. Step 6: Final answer
    x = 857,645.23

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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.