Home / 753,410.70-1,130,116.05-254,774.70

Finding the Fourth Proportional to 753,410.70, 1,130,116.05 and 254,774.70

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Solution

The fourth proportional to 753,410.70, 1,130,116.05 and 254,774.70 is: 382,162.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,410.70 : 1,130,116.05 = 254,774.70 : x
  2. Step 2: Convert to fraction form
    753,410.70/1,130,116.05 = 254,774.70/x
  3. Step 3: Cross multiply
    753,410.70x = 1,130,116.05 × 254,774.70
  4. Step 4: Simplify right side
    753,410.70x = 287,924,977,603.94
  5. Step 5: Solve for x
    x = 287,924,977,603.94/753,410.70
  6. Step 6: Final answer
    x = 382,162.05

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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.