Home / 744,502.69-1,116,760.71-212,023.45

Finding the Fourth Proportional to 744,502.69, 1,116,760.71 and 212,023.45

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Solution

The fourth proportional to 744,502.69, 1,116,760.71 and 212,023.45 is: 318,037.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,502.69 : 1,116,760.71 = 212,023.45 : x
  2. Step 2: Convert to fraction form
    744,502.69/1,116,760.71 = 212,023.45/x
  3. Step 3: Cross multiply
    744,502.69x = 1,116,760.71 × 212,023.45
  4. Step 4: Simplify right side
    744,502.69x = 236,779,458,558.65
  5. Step 5: Solve for x
    x = 236,779,458,558.65/744,502.69
  6. Step 6: Final answer
    x = 318,037.08

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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.