Home / 876,330.90-1,314,496.35-726,740.10

Finding the Fourth Proportional to 876,330.90, 1,314,496.35 and 726,740.10

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Solution

The fourth proportional to 876,330.90, 1,314,496.35 and 726,740.10 is: 1,090,110.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,330.90 : 1,314,496.35 = 726,740.10 : x
  2. Step 2: Convert to fraction form
    876,330.90/1,314,496.35 = 726,740.10/x
  3. Step 3: Cross multiply
    876,330.90x = 1,314,496.35 × 726,740.10
  4. Step 4: Simplify right side
    876,330.90x = 955,297,208,848.64
  5. Step 5: Solve for x
    x = 955,297,208,848.64/876,330.90
  6. Step 6: Final answer
    x = 1,090,110.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.