Home / 826,072.68-1,139,999.94-463,523.35

Finding the Fourth Proportional to 826,072.68, 1,139,999.94 and 463,523.35

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Solution

The fourth proportional to 826,072.68, 1,139,999.94 and 463,523.35 is: 639,673.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,072.68 : 1,139,999.94 = 463,523.35 : x
  2. Step 2: Convert to fraction form
    826,072.68/1,139,999.94 = 463,523.35/x
  3. Step 3: Cross multiply
    826,072.68x = 1,139,999.94 × 463,523.35
  4. Step 4: Simplify right side
    826,072.68x = 528,416,588,870.98
  5. Step 5: Solve for x
    x = 528,416,588,870.98/826,072.68
  6. Step 6: Final answer
    x = 639,673.25

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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.