Home / 634,256.28-875,732.88-408,295.44

Finding the Fourth Proportional to 634,256.28, 875,732.88 and 408,295.44

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Solution

The fourth proportional to 634,256.28, 875,732.88 and 408,295.44 is: 563,743.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,256.28 : 875,732.88 = 408,295.44 : x
  2. Step 2: Convert to fraction form
    634,256.28/875,732.88 = 408,295.44/x
  3. Step 3: Cross multiply
    634,256.28x = 875,732.88 × 408,295.44
  4. Step 4: Simplify right side
    634,256.28x = 357,557,741,562.07
  5. Step 5: Solve for x
    x = 357,557,741,562.07/634,256.28
  6. Step 6: Final answer
    x = 563,743.32

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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.