Home / 634,772.75-876,230.19-430,914.78

Finding the Fourth Proportional to 634,772.75, 876,230.19 and 430,914.78

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Solution

The fourth proportional to 634,772.75, 876,230.19 and 430,914.78 is: 594,827.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,772.75 : 876,230.19 = 430,914.78 : x
  2. Step 2: Convert to fraction form
    634,772.75/876,230.19 = 430,914.78/x
  3. Step 3: Cross multiply
    634,772.75x = 876,230.19 × 430,914.78
  4. Step 4: Simplify right side
    634,772.75x = 377,580,539,553.21
  5. Step 5: Solve for x
    x = 377,580,539,553.21/634,772.75
  6. Step 6: Final answer
    x = 594,827.90

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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.