Home / 1,025,048.76-1,537,720.17-315,136.41

Finding the Fourth Proportional to 1,025,048.76, 1,537,720.17 and 315,136.41

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Solution

The fourth proportional to 1,025,048.76, 1,537,720.17 and 315,136.41 is: 472,749.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,048.76 : 1,537,720.17 = 315,136.41 : x
  2. Step 2: Convert to fraction form
    1,025,048.76/1,537,720.17 = 315,136.41/x
  3. Step 3: Cross multiply
    1,025,048.76x = 1,537,720.17 × 315,136.41
  4. Step 4: Simplify right side
    1,025,048.76x = 484,591,613,958.39
  5. Step 5: Solve for x
    x = 484,591,613,958.39/1,025,048.76
  6. Step 6: Final answer
    x = 472,749.82

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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.