Home / 578,738.13-798,393.24-374,854.59

Finding the Fourth Proportional to 578,738.13, 798,393.24 and 374,854.59

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Solution

The fourth proportional to 578,738.13, 798,393.24 and 374,854.59 is: 517,127.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,738.13 : 798,393.24 = 374,854.59 : x
  2. Step 2: Convert to fraction form
    578,738.13/798,393.24 = 374,854.59/x
  3. Step 3: Cross multiply
    578,738.13x = 798,393.24 × 374,854.59
  4. Step 4: Simplify right side
    578,738.13x = 299,281,370,638.97
  5. Step 5: Solve for x
    x = 299,281,370,638.97/578,738.13
  6. Step 6: Final answer
    x = 517,127.45

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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.