Home / 862,501.58-1,189,444.86-681,645.58

Finding the Fourth Proportional to 862,501.58, 1,189,444.86 and 681,645.58

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Solution

The fourth proportional to 862,501.58, 1,189,444.86 and 681,645.58 is: 940,032.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,501.58 : 1,189,444.86 = 681,645.58 : x
  2. Step 2: Convert to fraction form
    862,501.58/1,189,444.86 = 681,645.58/x
  3. Step 3: Cross multiply
    862,501.58x = 1,189,444.86 × 681,645.58
  4. Step 4: Simplify right side
    862,501.58x = 810,779,831,472.72
  5. Step 5: Solve for x
    x = 810,779,831,472.72/862,501.58
  6. Step 6: Final answer
    x = 940,032.87

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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.