Home / 823,039.51-1,135,575.49-564,995.38

Finding the Fourth Proportional to 823,039.51, 1,135,575.49 and 564,995.38

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Solution

The fourth proportional to 823,039.51, 1,135,575.49 and 564,995.38 is: 779,543.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,039.51 : 1,135,575.49 = 564,995.38 : x
  2. Step 2: Convert to fraction form
    823,039.51/1,135,575.49 = 564,995.38/x
  3. Step 3: Cross multiply
    823,039.51x = 1,135,575.49 × 564,995.38
  4. Step 4: Simplify right side
    823,039.51x = 641,594,896,988.38
  5. Step 5: Solve for x
    x = 641,594,896,988.38/823,039.51
  6. Step 6: Final answer
    x = 779,543.26

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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.