Home / 855,073.16-1,179,817.14-515,534.12

Finding the Fourth Proportional to 855,073.16, 1,179,817.14 and 515,534.12

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Solution

The fourth proportional to 855,073.16, 1,179,817.14 and 515,534.12 is: 711,326.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,073.16 : 1,179,817.14 = 515,534.12 : x
  2. Step 2: Convert to fraction form
    855,073.16/1,179,817.14 = 515,534.12/x
  3. Step 3: Cross multiply
    855,073.16x = 1,179,817.14 × 515,534.12
  4. Step 4: Simplify right side
    855,073.16x = 608,235,991,030.82
  5. Step 5: Solve for x
    x = 608,235,991,030.82/855,073.16
  6. Step 6: Final answer
    x = 711,326.26

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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.