Home / 1,055,015.28-1,583,703.90-700,721.28

Finding the Fourth Proportional to 1,055,015.28, 1,583,703.90 and 700,721.28

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Solution

The fourth proportional to 1,055,015.28, 1,583,703.90 and 700,721.28 is: 1,051,866.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,015.28 : 1,583,703.90 = 700,721.28 : x
  2. Step 2: Convert to fraction form
    1,055,015.28/1,583,703.90 = 700,721.28/x
  3. Step 3: Cross multiply
    1,055,015.28x = 1,583,703.90 × 700,721.28
  4. Step 4: Simplify right side
    1,055,015.28x = 1,109,735,023,948.99
  5. Step 5: Solve for x
    x = 1,109,735,023,948.99/1,055,015.28
  6. Step 6: Final answer
    x = 1,051,866.30

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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.