Home / 932,009.92-1,286,181.16-518,552.68

Finding the Fourth Proportional to 932,009.92, 1,286,181.16 and 518,552.68

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Solution

The fourth proportional to 932,009.92, 1,286,181.16 and 518,552.68 is: 715,606.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,009.92 : 1,286,181.16 = 518,552.68 : x
  2. Step 2: Convert to fraction form
    932,009.92/1,286,181.16 = 518,552.68/x
  3. Step 3: Cross multiply
    932,009.92x = 1,286,181.16 × 518,552.68
  4. Step 4: Simplify right side
    932,009.92x = 666,952,682,971.67
  5. Step 5: Solve for x
    x = 666,952,682,971.67/932,009.92
  6. Step 6: Final answer
    x = 715,606.85

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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.