Home / 553,733.66-829,394.08-363,979.82

Finding the Fourth Proportional to 553,733.66, 829,394.08 and 363,979.82

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Solution

The fourth proportional to 553,733.66, 829,394.08 and 363,979.82 is: 545,176.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,733.66 : 829,394.08 = 363,979.82 : x
  2. Step 2: Convert to fraction form
    553,733.66/829,394.08 = 363,979.82/x
  3. Step 3: Cross multiply
    553,733.66x = 829,394.08 × 363,979.82
  4. Step 4: Simplify right side
    553,733.66x = 301,882,707,947.47
  5. Step 5: Solve for x
    x = 301,882,707,947.47/553,733.66
  6. Step 6: Final answer
    x = 545,176.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.