Home / 624,656.10-862,025.67-338,176.20

Finding the Fourth Proportional to 624,656.10, 862,025.67 and 338,176.20

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Solution

The fourth proportional to 624,656.10, 862,025.67 and 338,176.20 is: 466,683.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,656.10 : 862,025.67 = 338,176.20 : x
  2. Step 2: Convert to fraction form
    624,656.10/862,025.67 = 338,176.20/x
  3. Step 3: Cross multiply
    624,656.10x = 862,025.67 × 338,176.20
  4. Step 4: Simplify right side
    624,656.10x = 291,516,565,383.05
  5. Step 5: Solve for x
    x = 291,516,565,383.05/624,656.10
  6. Step 6: Final answer
    x = 466,683.29

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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.