Home / 947,077.80-1,306,995.48-517,365.06

Finding the Fourth Proportional to 947,077.80, 1,306,995.48 and 517,365.06

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Solution

The fourth proportional to 947,077.80, 1,306,995.48 and 517,365.06 is: 713,979.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,077.80 : 1,306,995.48 = 517,365.06 : x
  2. Step 2: Convert to fraction form
    947,077.80/1,306,995.48 = 517,365.06/x
  3. Step 3: Cross multiply
    947,077.80x = 1,306,995.48 × 517,365.06
  4. Step 4: Simplify right side
    947,077.80x = 676,193,794,929.93
  5. Step 5: Solve for x
    x = 676,193,794,929.93/947,077.80
  6. Step 6: Final answer
    x = 713,979.14

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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.