Home / 592,864.80-818,152.56-320,931.36

Finding the Fourth Proportional to 592,864.80, 818,152.56 and 320,931.36

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Solution

The fourth proportional to 592,864.80, 818,152.56 and 320,931.36 is: 442,884.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,864.80 : 818,152.56 = 320,931.36 : x
  2. Step 2: Convert to fraction form
    592,864.80/818,152.56 = 320,931.36/x
  3. Step 3: Cross multiply
    592,864.80x = 818,152.56 × 320,931.36
  4. Step 4: Simplify right side
    592,864.80x = 262,570,813,768.28
  5. Step 5: Solve for x
    x = 262,570,813,768.28/592,864.80
  6. Step 6: Final answer
    x = 442,884.81

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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.