Home / 1,611,171.39-2,223,430.56-876,127.98

Finding the Fourth Proportional to 1,611,171.39, 2,223,430.56 and 876,127.98

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Solution

The fourth proportional to 1,611,171.39, 2,223,430.56 and 876,127.98 is: 1,209,064.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611,171.39 : 2,223,430.56 = 876,127.98 : x
  2. Step 2: Convert to fraction form
    1,611,171.39/2,223,430.56 = 876,127.98/x
  3. Step 3: Cross multiply
    1,611,171.39x = 2,223,430.56 × 876,127.98
  4. Step 4: Simplify right side
    1,611,171.39x = 1,948,009,725,203.07
  5. Step 5: Solve for x
    x = 1,948,009,725,203.07/1,611,171.39
  6. Step 6: Final answer
    x = 1,209,064.25

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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.