Home / 939,009.38-1,295,862.27-531,103.23

Finding the Fourth Proportional to 939,009.38, 1,295,862.27 and 531,103.23

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Solution

The fourth proportional to 939,009.38, 1,295,862.27 and 531,103.23 is: 732,939.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,009.38 : 1,295,862.27 = 531,103.23 : x
  2. Step 2: Convert to fraction form
    939,009.38/1,295,862.27 = 531,103.23/x
  3. Step 3: Cross multiply
    939,009.38x = 1,295,862.27 × 531,103.23
  4. Step 4: Simplify right side
    939,009.38x = 688,236,634,576.62
  5. Step 5: Solve for x
    x = 688,236,634,576.62/939,009.38
  6. Step 6: Final answer
    x = 732,939.05

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Double scale
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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.