Home / 1,128,701.32-1,557,626.82-619,451.08

Finding the Fourth Proportional to 1,128,701.32, 1,557,626.82 and 619,451.08

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Solution

The fourth proportional to 1,128,701.32, 1,557,626.82 and 619,451.08 is: 854,852.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,701.32 : 1,557,626.82 = 619,451.08 : x
  2. Step 2: Convert to fraction form
    1,128,701.32/1,557,626.82 = 619,451.08/x
  3. Step 3: Cross multiply
    1,128,701.32x = 1,557,626.82 × 619,451.08
  4. Step 4: Simplify right side
    1,128,701.32x = 964,873,615,885.97
  5. Step 5: Solve for x
    x = 964,873,615,885.97/1,128,701.32
  6. Step 6: Final answer
    x = 854,852.92

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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.