Home / 519,812.20-779,831.70-295,280.20

Finding the Fourth Proportional to 519,812.20, 779,831.70 and 295,280.20

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Solution

The fourth proportional to 519,812.20, 779,831.70 and 295,280.20 is: 442,984.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,812.20 : 779,831.70 = 295,280.20 : x
  2. Step 2: Convert to fraction form
    519,812.20/779,831.70 = 295,280.20/x
  3. Step 3: Cross multiply
    519,812.20x = 779,831.70 × 295,280.20
  4. Step 4: Simplify right side
    519,812.20x = 230,268,860,342.34
  5. Step 5: Solve for x
    x = 230,268,860,342.34/519,812.20
  6. Step 6: Final answer
    x = 442,984.72

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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.