Home / 592,640.98-817,844.55-320,708.87

Finding the Fourth Proportional to 592,640.98, 817,844.55 and 320,708.87

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Solution

The fourth proportional to 592,640.98, 817,844.55 and 320,708.87 is: 442,578.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,640.98 : 817,844.55 = 320,708.87 : x
  2. Step 2: Convert to fraction form
    592,640.98/817,844.55 = 320,708.87/x
  3. Step 3: Cross multiply
    592,640.98x = 817,844.55 × 320,708.87
  4. Step 4: Simplify right side
    592,640.98x = 262,290,003,510.77
  5. Step 5: Solve for x
    x = 262,290,003,510.77/592,640.98
  6. Step 6: Final answer
    x = 442,578.24

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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.