Home / 739,881.66-1,021,040.19-417,605.34

Finding the Fourth Proportional to 739,881.66, 1,021,040.19 and 417,605.34

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Solution

The fourth proportional to 739,881.66, 1,021,040.19 and 417,605.34 is: 576,297.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,881.66 : 1,021,040.19 = 417,605.34 : x
  2. Step 2: Convert to fraction form
    739,881.66/1,021,040.19 = 417,605.34/x
  3. Step 3: Cross multiply
    739,881.66x = 1,021,040.19 × 417,605.34
  4. Step 4: Simplify right side
    739,881.66x = 426,391,835,698.62
  5. Step 5: Solve for x
    x = 426,391,835,698.62/739,881.66
  6. Step 6: Final answer
    x = 576,297.34

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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.