Home / 1,109,985.66-1,530,740.70-736,788.60

Finding the Fourth Proportional to 1,109,985.66, 1,530,740.70 and 736,788.60

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Solution

The fourth proportional to 1,109,985.66, 1,530,740.70 and 736,788.60 is: 1,016,078.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,985.66 : 1,530,740.70 = 736,788.60 : x
  2. Step 2: Convert to fraction form
    1,109,985.66/1,530,740.70 = 736,788.60/x
  3. Step 3: Cross multiply
    1,109,985.66x = 1,530,740.70 × 736,788.60
  4. Step 4: Simplify right side
    1,109,985.66x = 1,127,832,297,316.02
  5. Step 5: Solve for x
    x = 1,127,832,297,316.02/1,109,985.66
  6. Step 6: Final answer
    x = 1,016,078.26

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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.