Home / 855,595.92-1,284,655.44-477,255.84

Finding the Fourth Proportional to 855,595.92, 1,284,655.44 and 477,255.84

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Solution

The fourth proportional to 855,595.92, 1,284,655.44 and 477,255.84 is: 716,587.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,595.92 : 1,284,655.44 = 477,255.84 : x
  2. Step 2: Convert to fraction form
    855,595.92/1,284,655.44 = 477,255.84/x
  3. Step 3: Cross multiply
    855,595.92x = 1,284,655.44 × 477,255.84
  4. Step 4: Simplify right side
    855,595.92x = 613,109,311,127.77
  5. Step 5: Solve for x
    x = 613,109,311,127.77/855,595.92
  6. Step 6: Final answer
    x = 716,587.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.