Home / 939,293.95-1,296,200.04-520,175.22

Finding the Fourth Proportional to 939,293.95, 1,296,200.04 and 520,175.22

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Solution

The fourth proportional to 939,293.95, 1,296,200.04 and 520,175.22 is: 717,827.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,293.95 : 1,296,200.04 = 520,175.22 : x
  2. Step 2: Convert to fraction form
    939,293.95/1,296,200.04 = 520,175.22/x
  3. Step 3: Cross multiply
    939,293.95x = 1,296,200.04 × 520,175.22
  4. Step 4: Simplify right side
    939,293.95x = 674,251,138,548.58
  5. Step 5: Solve for x
    x = 674,251,138,548.58/939,293.95
  6. Step 6: Final answer
    x = 717,827.62

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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.