Home / 566,831.68-782,263.12-312,182.80

Finding the Fourth Proportional to 566,831.68, 782,263.12 and 312,182.80

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Solution

The fourth proportional to 566,831.68, 782,263.12 and 312,182.80 is: 430,831.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,831.68 : 782,263.12 = 312,182.80 : x
  2. Step 2: Convert to fraction form
    566,831.68/782,263.12 = 312,182.80/x
  3. Step 3: Cross multiply
    566,831.68x = 782,263.12 × 312,182.80
  4. Step 4: Simplify right side
    566,831.68x = 244,209,091,138.34
  5. Step 5: Solve for x
    x = 244,209,091,138.34/566,831.68
  6. Step 6: Final answer
    x = 430,831.76

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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.