Home / 841,603.80-1,161,414.54-479,027.65

Finding the Fourth Proportional to 841,603.80, 1,161,414.54 and 479,027.65

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Solution

The fourth proportional to 841,603.80, 1,161,414.54 and 479,027.65 is: 661,058.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,603.80 : 1,161,414.54 = 479,027.65 : x
  2. Step 2: Convert to fraction form
    841,603.80/1,161,414.54 = 479,027.65/x
  3. Step 3: Cross multiply
    841,603.80x = 1,161,414.54 × 479,027.65
  4. Step 4: Simplify right side
    841,603.80x = 556,349,677,772.03
  5. Step 5: Solve for x
    x = 556,349,677,772.03/841,603.80
  6. Step 6: Final answer
    x = 661,058.89

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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.