Home / 763,114.80-1,144,672.20-364,534.05

Finding the Fourth Proportional to 763,114.80, 1,144,672.20 and 364,534.05

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Solution

The fourth proportional to 763,114.80, 1,144,672.20 and 364,534.05 is: 546,801.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,114.80 : 1,144,672.20 = 364,534.05 : x
  2. Step 2: Convert to fraction form
    763,114.80/1,144,672.20 = 364,534.05/x
  3. Step 3: Cross multiply
    763,114.80x = 1,144,672.20 × 364,534.05
  4. Step 4: Simplify right side
    763,114.80x = 417,271,992,988.41
  5. Step 5: Solve for x
    x = 417,271,992,988.41/763,114.80
  6. Step 6: Final answer
    x = 546,801.08

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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.