Home / 1,406,411.88-1,940,857.72-761,832.08

Finding the Fourth Proportional to 1,406,411.88, 1,940,857.72 and 761,832.08

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Solution

The fourth proportional to 1,406,411.88, 1,940,857.72 and 761,832.08 is: 1,051,333.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,411.88 : 1,940,857.72 = 761,832.08 : x
  2. Step 2: Convert to fraction form
    1,406,411.88/1,940,857.72 = 761,832.08/x
  3. Step 3: Cross multiply
    1,406,411.88x = 1,940,857.72 × 761,832.08
  4. Step 4: Simplify right side
    1,406,411.88x = 1,478,607,673,811.66
  5. Step 5: Solve for x
    x = 1,478,607,673,811.66/1,406,411.88
  6. Step 6: Final answer
    x = 1,051,333.32

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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.