Home / 964,331.40-1,330,808.76-534,651.48

Finding the Fourth Proportional to 964,331.40, 1,330,808.76 and 534,651.48

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Solution

The fourth proportional to 964,331.40, 1,330,808.76 and 534,651.48 is: 737,836.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,331.40 : 1,330,808.76 = 534,651.48 : x
  2. Step 2: Convert to fraction form
    964,331.40/1,330,808.76 = 534,651.48/x
  3. Step 3: Cross multiply
    964,331.40x = 1,330,808.76 × 534,651.48
  4. Step 4: Simplify right side
    964,331.40x = 711,518,873,130.97
  5. Step 5: Solve for x
    x = 711,518,873,130.97/964,331.40
  6. Step 6: Final answer
    x = 737,836.47

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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.