Home / 1,141,588.44-1,711,830.42-421,442.10

Finding the Fourth Proportional to 1,141,588.44, 1,711,830.42 and 421,442.10

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Solution

The fourth proportional to 1,141,588.44, 1,711,830.42 and 421,442.10 is: 631,959.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,141,588.44 : 1,711,830.42 = 421,442.10 : x
  2. Step 2: Convert to fraction form
    1,141,588.44/1,711,830.42 = 421,442.10/x
  3. Step 3: Cross multiply
    1,141,588.44x = 1,711,830.42 × 421,442.10
  4. Step 4: Simplify right side
    1,141,588.44x = 721,437,407,048.68
  5. Step 5: Solve for x
    x = 721,437,407,048.68/1,141,588.44
  6. Step 6: Final answer
    x = 631,959.28

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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.