Home / 1,573,028.69-2,170,717.07-928,656.45

Finding the Fourth Proportional to 1,573,028.69, 2,170,717.07 and 928,656.45

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Solution

The fourth proportional to 1,573,028.69, 2,170,717.07 and 928,656.45 is: 1,281,508.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573,028.69 : 2,170,717.07 = 928,656.45 : x
  2. Step 2: Convert to fraction form
    1,573,028.69/2,170,717.07 = 928,656.45/x
  3. Step 3: Cross multiply
    1,573,028.69x = 2,170,717.07 × 928,656.45
  4. Step 4: Simplify right side
    1,573,028.69x = 2,015,850,403,537.32
  5. Step 5: Solve for x
    x = 2,015,850,403,537.32/1,573,028.69
  6. Step 6: Final answer
    x = 1,281,508.99

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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.