Home / 769,068.82-1,153,603.35-503,053.12

Finding the Fourth Proportional to 769,068.82, 1,153,603.35 and 503,053.12

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Solution

The fourth proportional to 769,068.82, 1,153,603.35 and 503,053.12 is: 754,579.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,068.82 : 1,153,603.35 = 503,053.12 : x
  2. Step 2: Convert to fraction form
    769,068.82/1,153,603.35 = 503,053.12/x
  3. Step 3: Cross multiply
    769,068.82x = 1,153,603.35 × 503,053.12
  4. Step 4: Simplify right side
    769,068.82x = 580,323,764,459.95
  5. Step 5: Solve for x
    x = 580,323,764,459.95/769,068.82
  6. Step 6: Final answer
    x = 754,579.76

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Double scale
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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.