Home / 833,428.23-1,150,136.47-451,455.01

Finding the Fourth Proportional to 833,428.23, 1,150,136.47 and 451,455.01

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Solution

The fourth proportional to 833,428.23, 1,150,136.47 and 451,455.01 is: 623,010.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,428.23 : 1,150,136.47 = 451,455.01 : x
  2. Step 2: Convert to fraction form
    833,428.23/1,150,136.47 = 451,455.01/x
  3. Step 3: Cross multiply
    833,428.23x = 1,150,136.47 × 451,455.01
  4. Step 4: Simplify right side
    833,428.23x = 519,234,865,814.53
  5. Step 5: Solve for x
    x = 519,234,865,814.53/833,428.23
  6. Step 6: Final answer
    x = 623,010.90

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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.