Home / 1,405,871.04-1,940,098.54-761,291.24

Finding the Fourth Proportional to 1,405,871.04, 1,940,098.54 and 761,291.24

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Solution

The fourth proportional to 1,405,871.04, 1,940,098.54 and 761,291.24 is: 1,050,580.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,871.04 : 1,940,098.54 = 761,291.24 : x
  2. Step 2: Convert to fraction form
    1,405,871.04/1,940,098.54 = 761,291.24/x
  3. Step 3: Cross multiply
    1,405,871.04x = 1,940,098.54 × 761,291.24
  4. Step 4: Simplify right side
    1,405,871.04x = 1,476,980,023,238.79
  5. Step 5: Solve for x
    x = 1,476,980,023,238.79/1,405,871.04
  6. Step 6: Final answer
    x = 1,050,580.02

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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.