Home / 936,128.80-1,403,998.80-403,667.20

Finding the Fourth Proportional to 936,128.80, 1,403,998.80 and 403,667.20

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Solution

The fourth proportional to 936,128.80, 1,403,998.80 and 403,667.20 is: 605,416.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,128.80 : 1,403,998.80 = 403,667.20 : x
  2. Step 2: Convert to fraction form
    936,128.80/1,403,998.80 = 403,667.20/x
  3. Step 3: Cross multiply
    936,128.80x = 1,403,998.80 × 403,667.20
  4. Step 4: Simplify right side
    936,128.80x = 566,748,264,399.36
  5. Step 5: Solve for x
    x = 566,748,264,399.36/936,128.80
  6. Step 6: Final answer
    x = 605,416.97

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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.