Home / 964,390.20-1,330,937.34-534,805.08

Finding the Fourth Proportional to 964,390.20, 1,330,937.34 and 534,805.08

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Solution

The fourth proportional to 964,390.20, 1,330,937.34 and 534,805.08 is: 738,074.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,390.20 : 1,330,937.34 = 534,805.08 : x
  2. Step 2: Convert to fraction form
    964,390.20/1,330,937.34 = 534,805.08/x
  3. Step 3: Cross multiply
    964,390.20x = 1,330,937.34 × 534,805.08
  4. Step 4: Simplify right side
    964,390.20x = 711,792,050,593.69
  5. Step 5: Solve for x
    x = 711,792,050,593.69/964,390.20
  6. Step 6: Final answer
    x = 738,074.74

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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.