Home / 794,503.40-1,191,755.10-511,068.20

Finding the Fourth Proportional to 794,503.40, 1,191,755.10 and 511,068.20

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Solution

The fourth proportional to 794,503.40, 1,191,755.10 and 511,068.20 is: 766,602.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    794,503.40 : 1,191,755.10 = 511,068.20 : x
  2. Step 2: Convert to fraction form
    794,503.40/1,191,755.10 = 511,068.20/x
  3. Step 3: Cross multiply
    794,503.40x = 1,191,755.10 × 511,068.20
  4. Step 4: Simplify right side
    794,503.40x = 609,068,133,797.82
  5. Step 5: Solve for x
    x = 609,068,133,797.82/794,503.40
  6. Step 6: Final answer
    x = 766,602.30

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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.