Home / 931,826.34-1,282,746.92-689,652.54

Finding the Fourth Proportional to 931,826.34, 1,282,746.92 and 689,652.54

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Solution

The fourth proportional to 931,826.34, 1,282,746.92 and 689,652.54 is: 949,371.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,826.34 : 1,282,746.92 = 689,652.54 : x
  2. Step 2: Convert to fraction form
    931,826.34/1,282,746.92 = 689,652.54/x
  3. Step 3: Cross multiply
    931,826.34x = 1,282,746.92 × 689,652.54
  4. Step 4: Simplify right side
    931,826.34x = 884,649,668,106.91
  5. Step 5: Solve for x
    x = 884,649,668,106.91/931,826.34
  6. Step 6: Final answer
    x = 949,371.82

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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.