Home / 908,716.46-1,254,024.60-500,817.42

Finding the Fourth Proportional to 908,716.46, 1,254,024.60 and 500,817.42

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Solution

The fourth proportional to 908,716.46, 1,254,024.60 and 500,817.42 is: 691,125.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,716.46 : 1,254,024.60 = 500,817.42 : x
  2. Step 2: Convert to fraction form
    908,716.46/1,254,024.60 = 500,817.42/x
  3. Step 3: Cross multiply
    908,716.46x = 1,254,024.60 × 500,817.42
  4. Step 4: Simplify right side
    908,716.46x = 628,037,364,788.53
  5. Step 5: Solve for x
    x = 628,037,364,788.53/908,716.46
  6. Step 6: Final answer
    x = 691,125.77

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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.