Home / 1,124,028.90-1,686,043.35-1,124,028.90

Finding the Fourth Proportional to 1,124,028.90, 1,686,043.35 and 1,124,028.90

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Solution

The fourth proportional to 1,124,028.90, 1,686,043.35 and 1,124,028.90 is: 1,686,043.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,028.90 : 1,686,043.35 = 1,124,028.90 : x
  2. Step 2: Convert to fraction form
    1,124,028.90/1,686,043.35 = 1,124,028.90/x
  3. Step 3: Cross multiply
    1,124,028.90x = 1,686,043.35 × 1,124,028.90
  4. Step 4: Simplify right side
    1,124,028.90x = 1,895,161,452,052.82
  5. Step 5: Solve for x
    x = 1,895,161,452,052.82/1,124,028.90
  6. Step 6: Final answer
    x = 1,686,043.35

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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.