Home / 459,917.77-634,143.40-314,793.62

Finding the Fourth Proportional to 459,917.77, 634,143.40 and 314,793.62

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Solution

The fourth proportional to 459,917.77, 634,143.40 and 314,793.62 is: 434,043.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,917.77 : 634,143.40 = 314,793.62 : x
  2. Step 2: Convert to fraction form
    459,917.77/634,143.40 = 314,793.62/x
  3. Step 3: Cross multiply
    459,917.77x = 634,143.40 × 314,793.62
  4. Step 4: Simplify right side
    459,917.77x = 199,624,291,740.42
  5. Step 5: Solve for x
    x = 199,624,291,740.42/459,917.77
  6. Step 6: Final answer
    x = 434,043.44

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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.