Home / 755,009.52-1,132,427.88-328,457.04

Finding the Fourth Proportional to 755,009.52, 1,132,427.88 and 328,457.04

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Solution

The fourth proportional to 755,009.52, 1,132,427.88 and 328,457.04 is: 492,647.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,009.52 : 1,132,427.88 = 328,457.04 : x
  2. Step 2: Convert to fraction form
    755,009.52/1,132,427.88 = 328,457.04/x
  3. Step 3: Cross multiply
    755,009.52x = 1,132,427.88 × 328,457.04
  4. Step 4: Simplify right side
    755,009.52x = 371,953,909,478.28
  5. Step 5: Solve for x
    x = 371,953,909,478.28/755,009.52
  6. Step 6: Final answer
    x = 492,647.97

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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.