Home / 825,483.36-1,138,684.40-519,074.80

Finding the Fourth Proportional to 825,483.36, 1,138,684.40 and 519,074.80

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Solution

The fourth proportional to 825,483.36, 1,138,684.40 and 519,074.80 is: 716,019.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,483.36 : 1,138,684.40 = 519,074.80 : x
  2. Step 2: Convert to fraction form
    825,483.36/1,138,684.40 = 519,074.80/x
  3. Step 3: Cross multiply
    825,483.36x = 1,138,684.40 × 519,074.80
  4. Step 4: Simplify right side
    825,483.36x = 591,062,377,193.12
  5. Step 5: Solve for x
    x = 591,062,377,193.12/825,483.36
  6. Step 6: Final answer
    x = 716,019.74

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Double scale
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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.