Home / 578,904.03-799,277.40-361,443.78

Finding the Fourth Proportional to 578,904.03, 799,277.40 and 361,443.78

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Solution

The fourth proportional to 578,904.03, 799,277.40 and 361,443.78 is: 499,035.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,904.03 : 799,277.40 = 361,443.78 : x
  2. Step 2: Convert to fraction form
    578,904.03/799,277.40 = 361,443.78/x
  3. Step 3: Cross multiply
    578,904.03x = 799,277.40 × 361,443.78
  4. Step 4: Simplify right side
    578,904.03x = 288,893,844,724.57
  5. Step 5: Solve for x
    x = 288,893,844,724.57/578,904.03
  6. Step 6: Final answer
    x = 499,035.82

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1.5x scale

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.