Home / 764,366.48-1,053,002.40-534,493.88

Finding the Fourth Proportional to 764,366.48, 1,053,002.40 and 534,493.88

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Solution

The fourth proportional to 764,366.48, 1,053,002.40 and 534,493.88 is: 736,326.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,366.48 : 1,053,002.40 = 534,493.88 : x
  2. Step 2: Convert to fraction form
    764,366.48/1,053,002.40 = 534,493.88/x
  3. Step 3: Cross multiply
    764,366.48x = 1,053,002.40 × 534,493.88
  4. Step 4: Simplify right side
    764,366.48x = 562,823,338,425.31
  5. Step 5: Solve for x
    x = 562,823,338,425.31/764,366.48
  6. Step 6: Final answer
    x = 736,326.56

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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.