Home / 723,783.81-998,826.18-401,514.33

Finding the Fourth Proportional to 723,783.81, 998,826.18 and 401,514.33

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Solution

The fourth proportional to 723,783.81, 998,826.18 and 401,514.33 is: 554,092.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,783.81 : 998,826.18 = 401,514.33 : x
  2. Step 2: Convert to fraction form
    723,783.81/998,826.18 = 401,514.33/x
  3. Step 3: Cross multiply
    723,783.81x = 998,826.18 × 401,514.33
  4. Step 4: Simplify right side
    723,783.81x = 401,043,024,449.16
  5. Step 5: Solve for x
    x = 401,043,024,449.16/723,783.81
  6. Step 6: Final answer
    x = 554,092.28

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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.