Home / 1,201,503.78-1,801,975.32-348,346.46

Finding the Fourth Proportional to 1,201,503.78, 1,801,975.32 and 348,346.46

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Solution

The fourth proportional to 1,201,503.78, 1,801,975.32 and 348,346.46 is: 522,438.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,503.78 : 1,801,975.32 = 348,346.46 : x
  2. Step 2: Convert to fraction form
    1,201,503.78/1,801,975.32 = 348,346.46/x
  3. Step 3: Cross multiply
    1,201,503.78x = 1,801,975.32 × 348,346.46
  4. Step 4: Simplify right side
    1,201,503.78x = 627,711,717,118.47
  5. Step 5: Solve for x
    x = 627,711,717,118.47/1,201,503.78
  6. Step 6: Final answer
    x = 522,438.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.