Home / 1,085,877.81-1,498,582.23-627,011.73

Finding the Fourth Proportional to 1,085,877.81, 1,498,582.23 and 627,011.73

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Solution

The fourth proportional to 1,085,877.81, 1,498,582.23 and 627,011.73 is: 865,317.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,877.81 : 1,498,582.23 = 627,011.73 : x
  2. Step 2: Convert to fraction form
    1,085,877.81/1,498,582.23 = 627,011.73/x
  3. Step 3: Cross multiply
    1,085,877.81x = 1,498,582.23 × 627,011.73
  4. Step 4: Simplify right side
    1,085,877.81x = 939,628,636,579.56
  5. Step 5: Solve for x
    x = 939,628,636,579.56/1,085,877.81
  6. Step 6: Final answer
    x = 865,317.10

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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.