Home / 830,736.11-1,248,705.28-548,242.03

Finding the Fourth Proportional to 830,736.11, 1,248,705.28 and 548,242.03

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Solution

The fourth proportional to 830,736.11, 1,248,705.28 and 548,242.03 is: 824,079.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,736.11 : 1,248,705.28 = 548,242.03 : x
  2. Step 2: Convert to fraction form
    830,736.11/1,248,705.28 = 548,242.03/x
  3. Step 3: Cross multiply
    830,736.11x = 1,248,705.28 × 548,242.03
  4. Step 4: Simplify right side
    830,736.11x = 684,592,717,578.92
  5. Step 5: Solve for x
    x = 684,592,717,578.92/830,736.11
  6. Step 6: Final answer
    x = 824,079.64

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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.