Home / 964,148.40-1,330,620.21-534,511.58

Finding the Fourth Proportional to 964,148.40, 1,330,620.21 and 534,511.58

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Solution

The fourth proportional to 964,148.40, 1,330,620.21 and 534,511.58 is: 737,678.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,148.40 : 1,330,620.21 = 534,511.58 : x
  2. Step 2: Convert to fraction form
    964,148.40/1,330,620.21 = 534,511.58/x
  3. Step 3: Cross multiply
    964,148.40x = 1,330,620.21 × 534,511.58
  4. Step 4: Simplify right side
    964,148.40x = 711,231,904,173.93
  5. Step 5: Solve for x
    x = 711,231,904,173.93/964,148.40
  6. Step 6: Final answer
    x = 737,678.87

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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.