Home / 1,406,408.34-1,940,852.82-761,828.52

Finding the Fourth Proportional to 1,406,408.34, 1,940,852.82 and 761,828.52

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Solution

The fourth proportional to 1,406,408.34, 1,940,852.82 and 761,828.52 is: 1,051,328.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,408.34 : 1,940,852.82 = 761,828.52 : x
  2. Step 2: Convert to fraction form
    1,406,408.34/1,940,852.82 = 761,828.52/x
  3. Step 3: Cross multiply
    1,406,408.34x = 1,940,852.82 × 761,828.52
  4. Step 4: Simplify right side
    1,406,408.34x = 1,478,597,039,390.84
  5. Step 5: Solve for x
    x = 1,478,597,039,390.84/1,406,408.34
  6. Step 6: Final answer
    x = 1,051,328.41

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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.