Home / 763,772.99-1,054,024.13-419,614.25

Finding the Fourth Proportional to 763,772.99, 1,054,024.13 and 419,614.25

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Solution

The fourth proportional to 763,772.99, 1,054,024.13 and 419,614.25 is: 579,077.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,772.99 : 1,054,024.13 = 419,614.25 : x
  2. Step 2: Convert to fraction form
    763,772.99/1,054,024.13 = 419,614.25/x
  3. Step 3: Cross multiply
    763,772.99x = 1,054,024.13 × 419,614.25
  4. Step 4: Simplify right side
    763,772.99x = 442,283,542,693.78
  5. Step 5: Solve for x
    x = 442,283,542,693.78/763,772.99
  6. Step 6: Final answer
    x = 579,077.22

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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.