Home / 1,115,727.78-1,539,709.66-606,429.76

Finding the Fourth Proportional to 1,115,727.78, 1,539,709.66 and 606,429.76

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Solution

The fourth proportional to 1,115,727.78, 1,539,709.66 and 606,429.76 is: 836,875.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,727.78 : 1,539,709.66 = 606,429.76 : x
  2. Step 2: Convert to fraction form
    1,115,727.78/1,539,709.66 = 606,429.76/x
  3. Step 3: Cross multiply
    1,115,727.78x = 1,539,709.66 × 606,429.76
  4. Step 4: Simplify right side
    1,115,727.78x = 933,725,759,583.48
  5. Step 5: Solve for x
    x = 933,725,759,583.48/1,115,727.78
  6. Step 6: Final answer
    x = 836,875.96

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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.