Home / 826,073.69-1,140,001.33-463,524.36

Finding the Fourth Proportional to 826,073.69, 1,140,001.33 and 463,524.36

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Solution

The fourth proportional to 826,073.69, 1,140,001.33 and 463,524.36 is: 639,674.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,073.69 : 1,140,001.33 = 463,524.36 : x
  2. Step 2: Convert to fraction form
    826,073.69/1,140,001.33 = 463,524.36/x
  3. Step 3: Cross multiply
    826,073.69x = 1,140,001.33 × 463,524.36
  4. Step 4: Simplify right side
    826,073.69x = 528,418,381,187.39
  5. Step 5: Solve for x
    x = 528,418,381,187.39/826,073.69
  6. Step 6: Final answer
    x = 639,674.63

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Half scale
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Double scale
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Similar ratio
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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.