Home / 940,410.15-1,298,163.28-634,900.35

Finding the Fourth Proportional to 940,410.15, 1,298,163.28 and 634,900.35

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Solution

The fourth proportional to 940,410.15, 1,298,163.28 and 634,900.35 is: 876,430.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,410.15 : 1,298,163.28 = 634,900.35 : x
  2. Step 2: Convert to fraction form
    940,410.15/1,298,163.28 = 634,900.35/x
  3. Step 3: Cross multiply
    940,410.15x = 1,298,163.28 × 634,900.35
  4. Step 4: Simplify right side
    940,410.15x = 824,204,320,829.15
  5. Step 5: Solve for x
    x = 824,204,320,829.15/940,410.15
  6. Step 6: Final answer
    x = 876,430.69

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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.