Home / 755,809.40-1,133,714.10-223,347.80

Finding the Fourth Proportional to 755,809.40, 1,133,714.10 and 223,347.80

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Solution

The fourth proportional to 755,809.40, 1,133,714.10 and 223,347.80 is: 335,021.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,809.40 : 1,133,714.10 = 223,347.80 : x
  2. Step 2: Convert to fraction form
    755,809.40/1,133,714.10 = 223,347.80/x
  3. Step 3: Cross multiply
    755,809.40x = 1,133,714.10 × 223,347.80
  4. Step 4: Simplify right side
    755,809.40x = 253,212,550,063.98
  5. Step 5: Solve for x
    x = 253,212,550,063.98/755,809.40
  6. Step 6: Final answer
    x = 335,021.70

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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.