Home / 947,810.66-1,415,663.13-857,713.70

Finding the Fourth Proportional to 947,810.66, 1,415,663.13 and 857,713.70

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Solution

The fourth proportional to 947,810.66, 1,415,663.13 and 857,713.70 is: 1,281,093.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,810.66 : 1,415,663.13 = 857,713.70 : x
  2. Step 2: Convert to fraction form
    947,810.66/1,415,663.13 = 857,713.70/x
  3. Step 3: Cross multiply
    947,810.66x = 1,415,663.13 × 857,713.70
  4. Step 4: Simplify right side
    947,810.66x = 1,214,233,661,185.88
  5. Step 5: Solve for x
    x = 1,214,233,661,185.88/947,810.66
  6. Step 6: Final answer
    x = 1,281,093.06

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.