Home / 939,009.25-1,295,862.09-531,103.11

Finding the Fourth Proportional to 939,009.25, 1,295,862.09 and 531,103.11

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Solution

The fourth proportional to 939,009.25, 1,295,862.09 and 531,103.11 is: 732,938.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,009.25 : 1,295,862.09 = 531,103.11 : x
  2. Step 2: Convert to fraction form
    939,009.25/1,295,862.09 = 531,103.11/x
  3. Step 3: Cross multiply
    939,009.25x = 1,295,862.09 × 531,103.11
  4. Step 4: Simplify right side
    939,009.25x = 688,236,383,262.25
  5. Step 5: Solve for x
    x = 688,236,383,262.25/939,009.25
  6. Step 6: Final answer
    x = 732,938.88

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1.5x scale

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.