Home / 680,101.22-1,018,969.59-477,267.14

Finding the Fourth Proportional to 680,101.22, 1,018,969.59 and 477,267.14

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Solution

The fourth proportional to 680,101.22, 1,018,969.59 and 477,267.14 is: 715,071.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,101.22 : 1,018,969.59 = 477,267.14 : x
  2. Step 2: Convert to fraction form
    680,101.22/1,018,969.59 = 477,267.14/x
  3. Step 3: Cross multiply
    680,101.22x = 1,018,969.59 × 477,267.14
  4. Step 4: Simplify right side
    680,101.22x = 486,320,701,966.27
  5. Step 5: Solve for x
    x = 486,320,701,966.27/680,101.22
  6. Step 6: Final answer
    x = 715,071.06

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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.