Home / 1,406,441.86-1,940,899.11-761,862.08

Finding the Fourth Proportional to 1,406,441.86, 1,940,899.11 and 761,862.08

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Solution

The fourth proportional to 1,406,441.86, 1,940,899.11 and 761,862.08 is: 1,051,374.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,441.86 : 1,940,899.11 = 761,862.08 : x
  2. Step 2: Convert to fraction form
    1,406,441.86/1,940,899.11 = 761,862.08/x
  3. Step 3: Cross multiply
    1,406,441.86x = 1,940,899.11 × 761,862.08
  4. Step 4: Simplify right side
    1,406,441.86x = 1,478,697,433,014.75
  5. Step 5: Solve for x
    x = 1,478,697,433,014.75/1,406,441.86
  6. Step 6: Final answer
    x = 1,051,374.73

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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.