Home / 826,072.69-1,139,999.95-463,523.36

Finding the Fourth Proportional to 826,072.69, 1,139,999.95 and 463,523.36

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Solution

The fourth proportional to 826,072.69, 1,139,999.95 and 463,523.36 is: 639,673.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,072.69 : 1,139,999.95 = 463,523.36 : x
  2. Step 2: Convert to fraction form
    826,072.69/1,139,999.95 = 463,523.36/x
  3. Step 3: Cross multiply
    826,072.69x = 1,139,999.95 × 463,523.36
  4. Step 4: Simplify right side
    826,072.69x = 528,416,600,365.02
  5. Step 5: Solve for x
    x = 528,416,600,365.02/826,072.69
  6. Step 6: Final answer
    x = 639,673.25

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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.