Home / 755,336.10-1,133,004.15-256,700.10

Finding the Fourth Proportional to 755,336.10, 1,133,004.15 and 256,700.10

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Solution

The fourth proportional to 755,336.10, 1,133,004.15 and 256,700.10 is: 385,050.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,336.10 : 1,133,004.15 = 256,700.10 : x
  2. Step 2: Convert to fraction form
    755,336.10/1,133,004.15 = 256,700.10/x
  3. Step 3: Cross multiply
    755,336.10x = 1,133,004.15 × 256,700.10
  4. Step 4: Simplify right side
    755,336.10x = 290,842,278,605.42
  5. Step 5: Solve for x
    x = 290,842,278,605.42/755,336.10
  6. Step 6: Final answer
    x = 385,050.15

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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.