Home / 1,347,246.42-1,856,041.93-938,609.11

Finding the Fourth Proportional to 1,347,246.42, 1,856,041.93 and 938,609.11

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Solution

The fourth proportional to 1,347,246.42, 1,856,041.93 and 938,609.11 is: 1,293,080.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,246.42 : 1,856,041.93 = 938,609.11 : x
  2. Step 2: Convert to fraction form
    1,347,246.42/1,856,041.93 = 938,609.11/x
  3. Step 3: Cross multiply
    1,347,246.42x = 1,856,041.93 × 938,609.11
  4. Step 4: Simplify right side
    1,347,246.42x = 1,742,097,864,039.98
  5. Step 5: Solve for x
    x = 1,742,097,864,039.98/1,347,246.42
  6. Step 6: Final answer
    x = 1,293,080.34

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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.