Home / 733,836.46-1,012,702.80-407,155.61

Finding the Fourth Proportional to 733,836.46, 1,012,702.80 and 407,155.61

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Solution

The fourth proportional to 733,836.46, 1,012,702.80 and 407,155.61 is: 561,879.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,836.46 : 1,012,702.80 = 407,155.61 : x
  2. Step 2: Convert to fraction form
    733,836.46/1,012,702.80 = 407,155.61/x
  3. Step 3: Cross multiply
    733,836.46x = 1,012,702.80 × 407,155.61
  4. Step 4: Simplify right side
    733,836.46x = 412,327,630,341.30
  5. Step 5: Solve for x
    x = 412,327,630,341.30/733,836.46
  6. Step 6: Final answer
    x = 561,879.46

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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.