Home / 763,525.24-1,053,666.72-423,993.48

Finding the Fourth Proportional to 763,525.24, 1,053,666.72 and 423,993.48

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Solution

The fourth proportional to 763,525.24, 1,053,666.72 and 423,993.48 is: 585,112.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,525.24 : 1,053,666.72 = 423,993.48 : x
  2. Step 2: Convert to fraction form
    763,525.24/1,053,666.72 = 423,993.48/x
  3. Step 3: Cross multiply
    763,525.24x = 1,053,666.72 × 423,993.48
  4. Step 4: Simplify right side
    763,525.24x = 446,747,819,372.99
  5. Step 5: Solve for x
    x = 446,747,819,372.99/763,525.24
  6. Step 6: Final answer
    x = 585,112.05

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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.