Home / 761,610.76-1,051,034.36-417,443.92

Finding the Fourth Proportional to 761,610.76, 1,051,034.36 and 417,443.92

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Solution

The fourth proportional to 761,610.76, 1,051,034.36 and 417,443.92 is: 576,078.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,610.76 : 1,051,034.36 = 417,443.92 : x
  2. Step 2: Convert to fraction form
    761,610.76/1,051,034.36 = 417,443.92/x
  3. Step 3: Cross multiply
    761,610.76x = 1,051,034.36 × 417,443.92
  4. Step 4: Simplify right side
    761,610.76x = 438,747,903,293.09
  5. Step 5: Solve for x
    x = 438,747,903,293.09/761,610.76
  6. Step 6: Final answer
    x = 576,078.92

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Double scale
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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.