Home / 692,311.04-1,037,412.48-513,981.44

Finding the Fourth Proportional to 692,311.04, 1,037,412.48 and 513,981.44

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Solution

The fourth proportional to 692,311.04, 1,037,412.48 and 513,981.44 is: 770,189.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,311.04 : 1,037,412.48 = 513,981.44 : x
  2. Step 2: Convert to fraction form
    692,311.04/1,037,412.48 = 513,981.44/x
  3. Step 3: Cross multiply
    692,311.04x = 1,037,412.48 × 513,981.44
  4. Step 4: Simplify right side
    692,311.04x = 533,210,760,344.37
  5. Step 5: Solve for x
    x = 533,210,760,344.37/692,311.04
  6. Step 6: Final answer
    x = 770,189.60

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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.