Home / 786,034.99-1,084,656.72-454,833.68

Finding the Fourth Proportional to 786,034.99, 1,084,656.72 and 454,833.68

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Solution

The fourth proportional to 786,034.99, 1,084,656.72 and 454,833.68 is: 627,629.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,034.99 : 1,084,656.72 = 454,833.68 : x
  2. Step 2: Convert to fraction form
    786,034.99/1,084,656.72 = 454,833.68/x
  3. Step 3: Cross multiply
    786,034.99x = 1,084,656.72 × 454,833.68
  4. Step 4: Simplify right side
    786,034.99x = 493,338,407,494.33
  5. Step 5: Solve for x
    x = 493,338,407,494.33/786,034.99
  6. Step 6: Final answer
    x = 627,629.07

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1.5x scale

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.