Home / 964,200.12-1,330,456.32-534,480

Finding the Fourth Proportional to 964,200.12, 1,330,456.32 and 534,480

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Solution

The fourth proportional to 964,200.12, 1,330,456.32 and 534,480 is: 737,504.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,200.12 : 1,330,456.32 = 534,480 : x
  2. Step 2: Convert to fraction form
    964,200.12/1,330,456.32 = 534,480/x
  3. Step 3: Cross multiply
    964,200.12x = 1,330,456.32 × 534,480
  4. Step 4: Simplify right side
    964,200.12x = 711,102,293,913.60
  5. Step 5: Solve for x
    x = 711,102,293,913.60/964,200.12
  6. Step 6: Final answer
    x = 737,504.88

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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.