Home / 833,428.16-1,150,136.38-451,454.94

Finding the Fourth Proportional to 833,428.16, 1,150,136.38 and 451,454.94

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Solution

The fourth proportional to 833,428.16, 1,150,136.38 and 451,454.94 is: 623,010.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,428.16 : 1,150,136.38 = 451,454.94 : x
  2. Step 2: Convert to fraction form
    833,428.16/1,150,136.38 = 451,454.94/x
  3. Step 3: Cross multiply
    833,428.16x = 1,150,136.38 × 451,454.94
  4. Step 4: Simplify right side
    833,428.16x = 519,234,750,424.72
  5. Step 5: Solve for x
    x = 519,234,750,424.72/833,428.16
  6. Step 6: Final answer
    x = 623,010.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.