Home / 833,428.72-1,150,137.16-451,455.50

Finding the Fourth Proportional to 833,428.72, 1,150,137.16 and 451,455.50

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Solution

The fourth proportional to 833,428.72, 1,150,137.16 and 451,455.50 is: 623,011.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,428.72 : 1,150,137.16 = 451,455.50 : x
  2. Step 2: Convert to fraction form
    833,428.72/1,150,137.16 = 451,455.50/x
  3. Step 3: Cross multiply
    833,428.72x = 1,150,137.16 × 451,455.50
  4. Step 4: Simplify right side
    833,428.72x = 519,235,748,383.08
  5. Step 5: Solve for x
    x = 519,235,748,383.08/833,428.72
  6. Step 6: Final answer
    x = 623,011.58

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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.