Home / 855,625.48-1,180,777.13-468,434.42

Finding the Fourth Proportional to 855,625.48, 1,180,777.13 and 468,434.42

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Solution

The fourth proportional to 855,625.48, 1,180,777.13 and 468,434.42 is: 646,447.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,625.48 : 1,180,777.13 = 468,434.42 : x
  2. Step 2: Convert to fraction form
    855,625.48/1,180,777.13 = 468,434.42/x
  3. Step 3: Cross multiply
    855,625.48x = 1,180,777.13 × 468,434.42
  4. Step 4: Simplify right side
    855,625.48x = 553,116,650,040.82
  5. Step 5: Solve for x
    x = 553,116,650,040.82/855,625.48
  6. Step 6: Final answer
    x = 646,447.15

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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.