Home / 826,071.93-1,139,998.90-463,522.60

Finding the Fourth Proportional to 826,071.93, 1,139,998.90 and 463,522.60

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Solution

The fourth proportional to 826,071.93, 1,139,998.90 and 463,522.60 is: 639,672.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,071.93 : 1,139,998.90 = 463,522.60 : x
  2. Step 2: Convert to fraction form
    826,071.93/1,139,998.90 = 463,522.60/x
  3. Step 3: Cross multiply
    826,071.93x = 1,139,998.90 × 463,522.60
  4. Step 4: Simplify right side
    826,071.93x = 528,415,250,116.34
  5. Step 5: Solve for x
    x = 528,415,250,116.34/826,071.93
  6. Step 6: Final answer
    x = 639,672.21

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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.