Home / 621,302.60-932,645.10-384,912.20

Finding the Fourth Proportional to 621,302.60, 932,645.10 and 384,912.20

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Solution

The fourth proportional to 621,302.60, 932,645.10 and 384,912.20 is: 577,796.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,302.60 : 932,645.10 = 384,912.20 : x
  2. Step 2: Convert to fraction form
    621,302.60/932,645.10 = 384,912.20/x
  3. Step 3: Cross multiply
    621,302.60x = 932,645.10 × 384,912.20
  4. Step 4: Simplify right side
    621,302.60x = 358,986,477,260.22
  5. Step 5: Solve for x
    x = 358,986,477,260.22/621,302.60
  6. Step 6: Final answer
    x = 577,796.52

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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.