Home / 614,031.28-846,788.42-485,277.35

Finding the Fourth Proportional to 614,031.28, 846,788.42 and 485,277.35

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Solution

The fourth proportional to 614,031.28, 846,788.42 and 485,277.35 is: 669,228.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,031.28 : 846,788.42 = 485,277.35 : x
  2. Step 2: Convert to fraction form
    614,031.28/846,788.42 = 485,277.35/x
  3. Step 3: Cross multiply
    614,031.28x = 846,788.42 × 485,277.35
  4. Step 4: Simplify right side
    614,031.28x = 410,927,237,447.54
  5. Step 5: Solve for x
    x = 410,927,237,447.54/614,031.28
  6. Step 6: Final answer
    x = 669,228.51

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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.