Home / 461,445.60-692,557.20-209,114.40

Finding the Fourth Proportional to 461,445.60, 692,557.20 and 209,114.40

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Solution

The fourth proportional to 461,445.60, 692,557.20 and 209,114.40 is: 313,847.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,445.60 : 692,557.20 = 209,114.40 : x
  2. Step 2: Convert to fraction form
    461,445.60/692,557.20 = 209,114.40/x
  3. Step 3: Cross multiply
    461,445.60x = 692,557.20 × 209,114.40
  4. Step 4: Simplify right side
    461,445.60x = 144,823,683,343.68
  5. Step 5: Solve for x
    x = 144,823,683,343.68/461,445.60
  6. Step 6: Final answer
    x = 313,847.79

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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.