Home / 448,406.06-618,804.59-247,209.26

Finding the Fourth Proportional to 448,406.06, 618,804.59 and 247,209.26

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Solution

The fourth proportional to 448,406.06, 618,804.59 and 247,209.26 is: 341,151.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,406.06 : 618,804.59 = 247,209.26 : x
  2. Step 2: Convert to fraction form
    448,406.06/618,804.59 = 247,209.26/x
  3. Step 3: Cross multiply
    448,406.06x = 618,804.59 × 247,209.26
  4. Step 4: Simplify right side
    448,406.06x = 152,974,224,778.50
  5. Step 5: Solve for x
    x = 152,974,224,778.50/448,406.06
  6. Step 6: Final answer
    x = 341,151.11

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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.