Home / 936,130.80-1,404,001.80-403,669.20

Finding the Fourth Proportional to 936,130.80, 1,404,001.80 and 403,669.20

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Solution

The fourth proportional to 936,130.80, 1,404,001.80 and 403,669.20 is: 605,419.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,130.80 : 1,404,001.80 = 403,669.20 : x
  2. Step 2: Convert to fraction form
    936,130.80/1,404,001.80 = 403,669.20/x
  3. Step 3: Cross multiply
    936,130.80x = 1,404,001.80 × 403,669.20
  4. Step 4: Simplify right side
    936,130.80x = 566,752,283,404.56
  5. Step 5: Solve for x
    x = 566,752,283,404.56/936,130.80
  6. Step 6: Final answer
    x = 605,419.97

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1.5x scale

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.