Home / 1,687,491.96-2,531,500.87-549,990.24

Finding the Fourth Proportional to 1,687,491.96, 2,531,500.87 and 549,990.24

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Solution

The fourth proportional to 1,687,491.96, 2,531,500.87 and 549,990.24 is: 825,071.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,491.96 : 2,531,500.87 = 549,990.24 : x
  2. Step 2: Convert to fraction form
    1,687,491.96/2,531,500.87 = 549,990.24/x
  3. Step 3: Cross multiply
    1,687,491.96x = 2,531,500.87 × 549,990.24
  4. Step 4: Simplify right side
    1,687,491.96x = 1,392,300,771,051.51
  5. Step 5: Solve for x
    x = 1,392,300,771,051.51/1,687,491.96
  6. Step 6: Final answer
    x = 825,071.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.