Home / 749,301.64-1,034,037.30-422,618.92

Finding the Fourth Proportional to 749,301.64, 1,034,037.30 and 422,618.92

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Solution

The fourth proportional to 749,301.64, 1,034,037.30 and 422,618.92 is: 583,214.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,301.64 : 1,034,037.30 = 422,618.92 : x
  2. Step 2: Convert to fraction form
    749,301.64/1,034,037.30 = 422,618.92/x
  3. Step 3: Cross multiply
    749,301.64x = 1,034,037.30 × 422,618.92
  4. Step 4: Simplify right side
    749,301.64x = 437,003,726,965.72
  5. Step 5: Solve for x
    x = 437,003,726,965.72/749,301.64
  6. Step 6: Final answer
    x = 583,214.69

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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.