Home / 723,425.60-1,084,831.20-349,563.20

Finding the Fourth Proportional to 723,425.60, 1,084,831.20 and 349,563.20

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Solution

The fourth proportional to 723,425.60, 1,084,831.20 and 349,563.20 is: 524,196.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,425.60 : 1,084,831.20 = 349,563.20 : x
  2. Step 2: Convert to fraction form
    723,425.60/1,084,831.20 = 349,563.20/x
  3. Step 3: Cross multiply
    723,425.60x = 1,084,831.20 × 349,563.20
  4. Step 4: Simplify right side
    723,425.60x = 379,217,065,731.84
  5. Step 5: Solve for x
    x = 379,217,065,731.84/723,425.60
  6. Step 6: Final answer
    x = 524,196.36

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Double scale
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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.