Home / 1,939,252-2,909,193.12-573,164.32

Finding the Fourth Proportional to 1,939,252, 2,909,193.12 and 573,164.32

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Solution

The fourth proportional to 1,939,252, 2,909,193.12 and 573,164.32 is: 859,839.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,252 : 2,909,193.12 = 573,164.32 : x
  2. Step 2: Convert to fraction form
    1,939,252/2,909,193.12 = 573,164.32/x
  3. Step 3: Cross multiply
    1,939,252x = 2,909,193.12 × 573,164.32
  4. Step 4: Simplify right side
    1,939,252x = 1,667,445,696,373.48
  5. Step 5: Solve for x
    x = 1,667,445,696,373.48/1,939,252
  6. Step 6: Final answer
    x = 859,839.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.