Home / 864,178.80-1,296,268.20-233,156.40

Finding the Fourth Proportional to 864,178.80, 1,296,268.20 and 233,156.40

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Solution

The fourth proportional to 864,178.80, 1,296,268.20 and 233,156.40 is: 349,734.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,178.80 : 1,296,268.20 = 233,156.40 : x
  2. Step 2: Convert to fraction form
    864,178.80/1,296,268.20 = 233,156.40/x
  3. Step 3: Cross multiply
    864,178.80x = 1,296,268.20 × 233,156.40
  4. Step 4: Simplify right side
    864,178.80x = 302,233,226,946.48
  5. Step 5: Solve for x
    x = 302,233,226,946.48/864,178.80
  6. Step 6: Final answer
    x = 349,734.60

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Double scale
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Similar ratio
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1.5x scale

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.