Home / 783,539.48-1,175,309.12-517,237.60

Finding the Fourth Proportional to 783,539.48, 1,175,309.12 and 517,237.60

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Solution

The fourth proportional to 783,539.48, 1,175,309.12 and 517,237.60 is: 775,856.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,539.48 : 1,175,309.12 = 517,237.60 : x
  2. Step 2: Convert to fraction form
    783,539.48/1,175,309.12 = 517,237.60/x
  3. Step 3: Cross multiply
    783,539.48x = 1,175,309.12 × 517,237.60
  4. Step 4: Simplify right side
    783,539.48x = 607,914,068,486.91
  5. Step 5: Solve for x
    x = 607,914,068,486.91/783,539.48
  6. Step 6: Final answer
    x = 775,856.33

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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.