Home / 740,618.76-1,022,051.70-401,086.92

Finding the Fourth Proportional to 740,618.76, 1,022,051.70 and 401,086.92

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Solution

The fourth proportional to 740,618.76, 1,022,051.70 and 401,086.92 is: 553,498.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,618.76 : 1,022,051.70 = 401,086.92 : x
  2. Step 2: Convert to fraction form
    740,618.76/1,022,051.70 = 401,086.92/x
  3. Step 3: Cross multiply
    740,618.76x = 1,022,051.70 × 401,086.92
  4. Step 4: Simplify right side
    740,618.76x = 409,931,568,433.76
  5. Step 5: Solve for x
    x = 409,931,568,433.76/740,618.76
  6. Step 6: Final answer
    x = 553,498.76

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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.