Home / 1,403,693.55-2,105,540.53-338,735.62

Finding the Fourth Proportional to 1,403,693.55, 2,105,540.53 and 338,735.62

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Solution

The fourth proportional to 1,403,693.55, 2,105,540.53 and 338,735.62 is: 508,103.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,693.55 : 2,105,540.53 = 338,735.62 : x
  2. Step 2: Convert to fraction form
    1,403,693.55/2,105,540.53 = 338,735.62/x
  3. Step 3: Cross multiply
    1,403,693.55x = 2,105,540.53 × 338,735.62
  4. Step 4: Simplify right side
    1,403,693.55x = 713,221,578,649.77
  5. Step 5: Solve for x
    x = 713,221,578,649.77/1,403,693.55
  6. Step 6: Final answer
    x = 508,103.48

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1.5x scale

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.