Home / 1,406,505.30-1,940,983.19-761,925.44

Finding the Fourth Proportional to 1,406,505.30, 1,940,983.19 and 761,925.44

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Solution

The fourth proportional to 1,406,505.30, 1,940,983.19 and 761,925.44 is: 1,051,460.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,505.30 : 1,940,983.19 = 761,925.44 : x
  2. Step 2: Convert to fraction form
    1,406,505.30/1,940,983.19 = 761,925.44/x
  3. Step 3: Cross multiply
    1,406,505.30x = 1,940,983.19 × 761,925.44
  4. Step 4: Simplify right side
    1,406,505.30x = 1,478,884,457,558.81
  5. Step 5: Solve for x
    x = 1,478,884,457,558.81/1,406,505.30
  6. Step 6: Final answer
    x = 1,051,460.28

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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.