Home / 1,416,342.60-2,125,141.56-742,263.48

Finding the Fourth Proportional to 1,416,342.60, 2,125,141.56 and 742,263.48

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Solution

The fourth proportional to 1,416,342.60, 2,125,141.56 and 742,263.48 is: 1,113,724.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,342.60 : 2,125,141.56 = 742,263.48 : x
  2. Step 2: Convert to fraction form
    1,416,342.60/2,125,141.56 = 742,263.48/x
  3. Step 3: Cross multiply
    1,416,342.60x = 2,125,141.56 × 742,263.48
  4. Step 4: Simplify right side
    1,416,342.60x = 1,577,414,969,818.23
  5. Step 5: Solve for x
    x = 1,577,414,969,818.23/1,416,342.60
  6. Step 6: Final answer
    x = 1,113,724.16

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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.