Home / 527,094.64-789,814.06-407,444.78

Finding the Fourth Proportional to 527,094.64, 789,814.06 and 407,444.78

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Solution

The fourth proportional to 527,094.64, 789,814.06 and 407,444.78 is: 610,527.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,094.64 : 789,814.06 = 407,444.78 : x
  2. Step 2: Convert to fraction form
    527,094.64/789,814.06 = 407,444.78/x
  3. Step 3: Cross multiply
    527,094.64x = 789,814.06 × 407,444.78
  4. Step 4: Simplify right side
    527,094.64x = 321,805,615,917.61
  5. Step 5: Solve for x
    x = 321,805,615,917.61/527,094.64
  6. Step 6: Final answer
    x = 610,527.20

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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.