Home / 1,181,721.52-1,772,210.46-382,817.72

Finding the Fourth Proportional to 1,181,721.52, 1,772,210.46 and 382,817.72

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Solution

The fourth proportional to 1,181,721.52, 1,772,210.46 and 382,817.72 is: 574,106.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,721.52 : 1,772,210.46 = 382,817.72 : x
  2. Step 2: Convert to fraction form
    1,181,721.52/1,772,210.46 = 382,817.72/x
  3. Step 3: Cross multiply
    1,181,721.52x = 1,772,210.46 × 382,817.72
  4. Step 4: Simplify right side
    1,181,721.52x = 678,433,567,657.35
  5. Step 5: Solve for x
    x = 678,433,567,657.35/1,181,721.52
  6. Step 6: Final answer
    x = 574,106.13

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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.