Home / 951,283.84-1,312,764.76-521,556.88

Finding the Fourth Proportional to 951,283.84, 1,312,764.76 and 521,556.88

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Solution

The fourth proportional to 951,283.84, 1,312,764.76 and 521,556.88 is: 719,744.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,283.84 : 1,312,764.76 = 521,556.88 : x
  2. Step 2: Convert to fraction form
    951,283.84/1,312,764.76 = 521,556.88/x
  3. Step 3: Cross multiply
    951,283.84x = 1,312,764.76 × 521,556.88
  4. Step 4: Simplify right side
    951,283.84x = 684,681,492,399.55
  5. Step 5: Solve for x
    x = 684,681,492,399.55/951,283.84
  6. Step 6: Final answer
    x = 719,744.69

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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.