Home / 1,405,977.08-1,940,248.49-761,398.92

Finding the Fourth Proportional to 1,405,977.08, 1,940,248.49 and 761,398.92

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Solution

The fourth proportional to 1,405,977.08, 1,940,248.49 and 761,398.92 is: 1,050,730.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,977.08 : 1,940,248.49 = 761,398.92 : x
  2. Step 2: Convert to fraction form
    1,405,977.08/1,940,248.49 = 761,398.92/x
  3. Step 3: Cross multiply
    1,405,977.08x = 1,940,248.49 × 761,398.92
  4. Step 4: Simplify right side
    1,405,977.08x = 1,477,303,101,010.64
  5. Step 5: Solve for x
    x = 1,477,303,101,010.64/1,405,977.08
  6. Step 6: Final answer
    x = 1,050,730.58

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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.