Home / 855,227.09-1,180,133.24-510,994.47

Finding the Fourth Proportional to 855,227.09, 1,180,133.24 and 510,994.47

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Solution

The fourth proportional to 855,227.09, 1,180,133.24 and 510,994.47 is: 705,124.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,227.09 : 1,180,133.24 = 510,994.47 : x
  2. Step 2: Convert to fraction form
    855,227.09/1,180,133.24 = 510,994.47/x
  3. Step 3: Cross multiply
    855,227.09x = 1,180,133.24 × 510,994.47
  4. Step 4: Simplify right side
    855,227.09x = 603,041,556,948.21
  5. Step 5: Solve for x
    x = 603,041,556,948.21/855,227.09
  6. Step 6: Final answer
    x = 705,124.48

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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.