Home / 664,280.10-996,258.15-190,916.10

Finding the Fourth Proportional to 664,280.10, 996,258.15 and 190,916.10

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Solution

The fourth proportional to 664,280.10, 996,258.15 and 190,916.10 is: 286,327.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,280.10 : 996,258.15 = 190,916.10 : x
  2. Step 2: Convert to fraction form
    664,280.10/996,258.15 = 190,916.10/x
  3. Step 3: Cross multiply
    664,280.10x = 996,258.15 × 190,916.10
  4. Step 4: Simplify right side
    664,280.10x = 190,201,720,591.22
  5. Step 5: Solve for x
    x = 190,201,720,591.22/664,280.10
  6. Step 6: Final answer
    x = 286,327.59

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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.