Home / 459,327.02-688,837.23-193,037.90

Finding the Fourth Proportional to 459,327.02, 688,837.23 and 193,037.90

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Solution

The fourth proportional to 459,327.02, 688,837.23 and 193,037.90 is: 289,492.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,327.02 : 688,837.23 = 193,037.90 : x
  2. Step 2: Convert to fraction form
    459,327.02/688,837.23 = 193,037.90/x
  3. Step 3: Cross multiply
    459,327.02x = 688,837.23 × 193,037.90
  4. Step 4: Simplify right side
    459,327.02x = 132,971,692,321.02
  5. Step 5: Solve for x
    x = 132,971,692,321.02/459,327.02
  6. Step 6: Final answer
    x = 289,492.42

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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.