Home / 897,608.66-1,238,577.14-515,635.34

Finding the Fourth Proportional to 897,608.66, 1,238,577.14 and 515,635.34

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Solution

The fourth proportional to 897,608.66, 1,238,577.14 and 515,635.34 is: 711,506.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,608.66 : 1,238,577.14 = 515,635.34 : x
  2. Step 2: Convert to fraction form
    897,608.66/1,238,577.14 = 515,635.34/x
  3. Step 3: Cross multiply
    897,608.66x = 1,238,577.14 × 515,635.34
  4. Step 4: Simplify right side
    897,608.66x = 638,654,139,796.33
  5. Step 5: Solve for x
    x = 638,654,139,796.33/897,608.66
  6. Step 6: Final answer
    x = 711,506.22

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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.