Home / 583,383.25-805,140.17-328,780.81

Finding the Fourth Proportional to 583,383.25, 805,140.17 and 328,780.81

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Solution

The fourth proportional to 583,383.25, 805,140.17 and 328,780.81 is: 453,757.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,383.25 : 805,140.17 = 328,780.81 : x
  2. Step 2: Convert to fraction form
    583,383.25/805,140.17 = 328,780.81/x
  3. Step 3: Cross multiply
    583,383.25x = 805,140.17 × 328,780.81
  4. Step 4: Simplify right side
    583,383.25x = 264,714,637,256.14
  5. Step 5: Solve for x
    x = 264,714,637,256.14/583,383.25
  6. Step 6: Final answer
    x = 453,757.69

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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.