Home / 920,920.92-1,270,533.76-558,083.04

Finding the Fourth Proportional to 920,920.92, 1,270,533.76 and 558,083.04

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Solution

The fourth proportional to 920,920.92, 1,270,533.76 and 558,083.04 is: 769,950.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,920.92 : 1,270,533.76 = 558,083.04 : x
  2. Step 2: Convert to fraction form
    920,920.92/1,270,533.76 = 558,083.04/x
  3. Step 3: Cross multiply
    920,920.92x = 1,270,533.76 × 558,083.04
  4. Step 4: Simplify right side
    920,920.92x = 709,063,343,203.43
  5. Step 5: Solve for x
    x = 709,063,343,203.43/920,920.92
  6. Step 6: Final answer
    x = 769,950.30

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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.