Home / 530,831.54-792,398.20-491,319.32

Finding the Fourth Proportional to 530,831.54, 792,398.20 and 491,319.32

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Solution

The fourth proportional to 530,831.54, 792,398.20 and 491,319.32 is: 733,416.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,831.54 : 792,398.20 = 491,319.32 : x
  2. Step 2: Convert to fraction form
    530,831.54/792,398.20 = 491,319.32/x
  3. Step 3: Cross multiply
    530,831.54x = 792,398.20 × 491,319.32
  4. Step 4: Simplify right side
    530,831.54x = 389,320,544,793.22
  5. Step 5: Solve for x
    x = 389,320,544,793.22/530,831.54
  6. Step 6: Final answer
    x = 733,416.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.