Home / 552,919.92-761,964.12-401,777.52

Finding the Fourth Proportional to 552,919.92, 761,964.12 and 401,777.52

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Solution

The fourth proportional to 552,919.92, 761,964.12 and 401,777.52 is: 553,678.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,919.92 : 761,964.12 = 401,777.52 : x
  2. Step 2: Convert to fraction form
    552,919.92/761,964.12 = 401,777.52/x
  3. Step 3: Cross multiply
    552,919.92x = 761,964.12 × 401,777.52
  4. Step 4: Simplify right side
    552,919.92x = 306,140,054,462.58
  5. Step 5: Solve for x
    x = 306,140,054,462.58/552,919.92
  6. Step 6: Final answer
    x = 553,678.83

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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.