Home / 507,317.23-699,760.59-326,258.20

Finding the Fourth Proportional to 507,317.23, 699,760.59 and 326,258.20

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Solution

The fourth proportional to 507,317.23, 699,760.59 and 326,258.20 is: 450,019.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,317.23 : 699,760.59 = 326,258.20 : x
  2. Step 2: Convert to fraction form
    507,317.23/699,760.59 = 326,258.20/x
  3. Step 3: Cross multiply
    507,317.23x = 699,760.59 × 326,258.20
  4. Step 4: Simplify right side
    507,317.23x = 228,302,630,524.34
  5. Step 5: Solve for x
    x = 228,302,630,524.34/507,317.23
  6. Step 6: Final answer
    x = 450,019.47

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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.