Home / 692,222.60-1,037,216.10-391,809.80

Finding the Fourth Proportional to 692,222.60, 1,037,216.10 and 391,809.80

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Solution

The fourth proportional to 692,222.60, 1,037,216.10 and 391,809.80 is: 587,082.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,222.60 : 1,037,216.10 = 391,809.80 : x
  2. Step 2: Convert to fraction form
    692,222.60/1,037,216.10 = 391,809.80/x
  3. Step 3: Cross multiply
    692,222.60x = 1,037,216.10 × 391,809.80
  4. Step 4: Simplify right side
    692,222.60x = 406,391,432,697.78
  5. Step 5: Solve for x
    x = 406,391,432,697.78/692,222.60
  6. Step 6: Final answer
    x = 587,082.01

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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.