Home / 911,926.92-1,258,460.37-524,734.65

Finding the Fourth Proportional to 911,926.92, 1,258,460.37 and 524,734.65

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Solution

The fourth proportional to 911,926.92, 1,258,460.37 and 524,734.65 is: 724,134.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,926.92 : 1,258,460.37 = 524,734.65 : x
  2. Step 2: Convert to fraction form
    911,926.92/1,258,460.37 = 524,734.65/x
  3. Step 3: Cross multiply
    911,926.92x = 1,258,460.37 × 524,734.65
  4. Step 4: Simplify right side
    911,926.92x = 660,357,761,790.82
  5. Step 5: Solve for x
    x = 660,357,761,790.82/911,926.92
  6. Step 6: Final answer
    x = 724,134.52

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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.