Home / 450,081.04-621,110.28-248,877.04

Finding the Fourth Proportional to 450,081.04, 621,110.28 and 248,877.04

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Solution

The fourth proportional to 450,081.04, 621,110.28 and 248,877.04 is: 343,449.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,081.04 : 621,110.28 = 248,877.04 : x
  2. Step 2: Convert to fraction form
    450,081.04/621,110.28 = 248,877.04/x
  3. Step 3: Cross multiply
    450,081.04x = 621,110.28 × 248,877.04
  4. Step 4: Simplify right side
    450,081.04x = 154,580,087,999.97
  5. Step 5: Solve for x
    x = 154,580,087,999.97/450,081.04
  6. Step 6: Final answer
    x = 343,449.46

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1.5x scale

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.