Home / 1,406,115.34-1,940,438.58-761,535.57

Finding the Fourth Proportional to 1,406,115.34, 1,940,438.58 and 761,535.57

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Solution

The fourth proportional to 1,406,115.34, 1,940,438.58 and 761,535.57 is: 1,050,918.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,115.34 : 1,940,438.58 = 761,535.57 : x
  2. Step 2: Convert to fraction form
    1,406,115.34/1,940,438.58 = 761,535.57/x
  3. Step 3: Cross multiply
    1,406,115.34x = 1,940,438.58 × 761,535.57
  4. Step 4: Simplify right side
    1,406,115.34x = 1,477,712,990,368.10
  5. Step 5: Solve for x
    x = 1,477,712,990,368.10/1,406,115.34
  6. Step 6: Final answer
    x = 1,050,918.76

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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.