Home / 908,695.48-1,254,008.46-500,812.12

Finding the Fourth Proportional to 908,695.48, 1,254,008.46 and 500,812.12

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Solution

The fourth proportional to 908,695.48, 1,254,008.46 and 500,812.12 is: 691,125.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,695.48 : 1,254,008.46 = 500,812.12 : x
  2. Step 2: Convert to fraction form
    908,695.48/1,254,008.46 = 500,812.12/x
  3. Step 3: Cross multiply
    908,695.48x = 1,254,008.46 × 500,812.12
  4. Step 4: Simplify right side
    908,695.48x = 628,022,635,350.54
  5. Step 5: Solve for x
    x = 628,022,635,350.54/908,695.48
  6. Step 6: Final answer
    x = 691,125.52

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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.