Home / 849,314.92-1,172,019.22-462,131.86

Finding the Fourth Proportional to 849,314.92, 1,172,019.22 and 462,131.86

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Solution

The fourth proportional to 849,314.92, 1,172,019.22 and 462,131.86 is: 637,722.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,314.92 : 1,172,019.22 = 462,131.86 : x
  2. Step 2: Convert to fraction form
    849,314.92/1,172,019.22 = 462,131.86/x
  3. Step 3: Cross multiply
    849,314.92x = 1,172,019.22 × 462,131.86
  4. Step 4: Simplify right side
    849,314.92x = 541,627,419,509.70
  5. Step 5: Solve for x
    x = 541,627,419,509.70/849,314.92
  6. Step 6: Final answer
    x = 637,722.72

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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.