Home / 1,406,125.54-1,940,443.58-761,530.98

Finding the Fourth Proportional to 1,406,125.54, 1,940,443.58 and 761,530.98

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Solution

The fourth proportional to 1,406,125.54, 1,940,443.58 and 761,530.98 is: 1,050,907.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,125.54 : 1,940,443.58 = 761,530.98 : x
  2. Step 2: Convert to fraction form
    1,406,125.54/1,940,443.58 = 761,530.98/x
  3. Step 3: Cross multiply
    1,406,125.54x = 1,940,443.58 × 761,530.98
  4. Step 4: Simplify right side
    1,406,125.54x = 1,477,707,901,112.11
  5. Step 5: Solve for x
    x = 1,477,707,901,112.11/1,406,125.54
  6. Step 6: Final answer
    x = 1,050,907.52

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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.