Home / 620,527.28-929,929.76-282,742.44

Finding the Fourth Proportional to 620,527.28, 929,929.76 and 282,742.44

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Solution

The fourth proportional to 620,527.28, 929,929.76 and 282,742.44 is: 423,721.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,527.28 : 929,929.76 = 282,742.44 : x
  2. Step 2: Convert to fraction form
    620,527.28/929,929.76 = 282,742.44/x
  3. Step 3: Cross multiply
    620,527.28x = 929,929.76 × 282,742.44
  4. Step 4: Simplify right side
    620,527.28x = 262,930,609,371.01
  5. Step 5: Solve for x
    x = 262,930,609,371.01/620,527.28
  6. Step 6: Final answer
    x = 423,721.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.