Home / 682,428.30-1,023,642.45-183,792.30

Finding the Fourth Proportional to 682,428.30, 1,023,642.45 and 183,792.30

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Solution

The fourth proportional to 682,428.30, 1,023,642.45 and 183,792.30 is: 275,688.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,428.30 : 1,023,642.45 = 183,792.30 : x
  2. Step 2: Convert to fraction form
    682,428.30/1,023,642.45 = 183,792.30/x
  3. Step 3: Cross multiply
    682,428.30x = 1,023,642.45 × 183,792.30
  4. Step 4: Simplify right side
    682,428.30x = 188,137,600,263.14
  5. Step 5: Solve for x
    x = 188,137,600,263.14/682,428.30
  6. Step 6: Final answer
    x = 275,688.45

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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.