Home / 837,322.31-1,155,477.75-474,778.46

Finding the Fourth Proportional to 837,322.31, 1,155,477.75 and 474,778.46

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Solution

The fourth proportional to 837,322.31, 1,155,477.75 and 474,778.46 is: 655,178.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,322.31 : 1,155,477.75 = 474,778.46 : x
  2. Step 2: Convert to fraction form
    837,322.31/1,155,477.75 = 474,778.46/x
  3. Step 3: Cross multiply
    837,322.31x = 1,155,477.75 × 474,778.46
  4. Step 4: Simplify right side
    837,322.31x = 548,595,946,709.27
  5. Step 5: Solve for x
    x = 548,595,946,709.27/837,322.31
  6. Step 6: Final answer
    x = 655,178.94

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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.