Home / 578,831.40-868,247.10-263,903.40

Finding the Fourth Proportional to 578,831.40, 868,247.10 and 263,903.40

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Solution

The fourth proportional to 578,831.40, 868,247.10 and 263,903.40 is: 395,855.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,831.40 : 868,247.10 = 263,903.40 : x
  2. Step 2: Convert to fraction form
    578,831.40/868,247.10 = 263,903.40/x
  3. Step 3: Cross multiply
    578,831.40x = 868,247.10 × 263,903.40
  4. Step 4: Simplify right side
    578,831.40x = 229,133,361,730.14
  5. Step 5: Solve for x
    x = 229,133,361,730.14/578,831.40
  6. Step 6: Final answer
    x = 395,855.10

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Similar ratio
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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.