Home / 870,335.73-1,305,564.66-364,386.06

Finding the Fourth Proportional to 870,335.73, 1,305,564.66 and 364,386.06

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Solution

The fourth proportional to 870,335.73, 1,305,564.66 and 364,386.06 is: 546,604.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,335.73 : 1,305,564.66 = 364,386.06 : x
  2. Step 2: Convert to fraction form
    870,335.73/1,305,564.66 = 364,386.06/x
  3. Step 3: Cross multiply
    870,335.73x = 1,305,564.66 × 364,386.06
  4. Step 4: Simplify right side
    870,335.73x = 475,729,562,532.64
  5. Step 5: Solve for x
    x = 475,729,562,532.64/870,335.73
  6. Step 6: Final answer
    x = 546,604.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.