Home / 521,583.35-719,531.01-340,213.01

Finding the Fourth Proportional to 521,583.35, 719,531.01 and 340,213.01

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Solution

The fourth proportional to 521,583.35, 719,531.01 and 340,213.01 is: 469,328.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,583.35 : 719,531.01 = 340,213.01 : x
  2. Step 2: Convert to fraction form
    521,583.35/719,531.01 = 340,213.01/x
  3. Step 3: Cross multiply
    521,583.35x = 719,531.01 × 340,213.01
  4. Step 4: Simplify right side
    521,583.35x = 244,793,807,102.79
  5. Step 5: Solve for x
    x = 244,793,807,102.79/521,583.35
  6. Step 6: Final answer
    x = 469,328.27

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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.