Home / 623,260.81-860,168.27-361,673.74

Finding the Fourth Proportional to 623,260.81, 860,168.27 and 361,673.74

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Solution

The fourth proportional to 623,260.81, 860,168.27 and 361,673.74 is: 499,149.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,260.81 : 860,168.27 = 361,673.74 : x
  2. Step 2: Convert to fraction form
    623,260.81/860,168.27 = 361,673.74/x
  3. Step 3: Cross multiply
    623,260.81x = 860,168.27 × 361,673.74
  4. Step 4: Simplify right side
    623,260.81x = 311,100,275,240.23
  5. Step 5: Solve for x
    x = 311,100,275,240.23/623,260.81
  6. Step 6: Final answer
    x = 499,149.43

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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.