Home / 786,334.96-1,177,729.74-550,729.12

Finding the Fourth Proportional to 786,334.96, 1,177,729.74 and 550,729.12

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Solution

The fourth proportional to 786,334.96, 1,177,729.74 and 550,729.12 is: 824,852.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,334.96 : 1,177,729.74 = 550,729.12 : x
  2. Step 2: Convert to fraction form
    786,334.96/1,177,729.74 = 550,729.12/x
  3. Step 3: Cross multiply
    786,334.96x = 1,177,729.74 × 550,729.12
  4. Step 4: Simplify right side
    786,334.96x = 648,610,063,308.03
  5. Step 5: Solve for x
    x = 648,610,063,308.03/786,334.96
  6. Step 6: Final answer
    x = 824,852.13

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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.