Home / 1,325,838.35-1,828,875.43-938,217.71

Finding the Fourth Proportional to 1,325,838.35, 1,828,875.43 and 938,217.71

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Solution

The fourth proportional to 1,325,838.35, 1,828,875.43 and 938,217.71 is: 1,294,187.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,838.35 : 1,828,875.43 = 938,217.71 : x
  2. Step 2: Convert to fraction form
    1,325,838.35/1,828,875.43 = 938,217.71/x
  3. Step 3: Cross multiply
    1,325,838.35x = 1,828,875.43 × 938,217.71
  4. Step 4: Simplify right side
    1,325,838.35x = 1,715,883,317,809.87
  5. Step 5: Solve for x
    x = 1,715,883,317,809.87/1,325,838.35
  6. Step 6: Final answer
    x = 1,294,187.42

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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.