Home / 723,583.48-1,083,928.16-435,235.86

Finding the Fourth Proportional to 723,583.48, 1,083,928.16 and 435,235.86

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Solution

The fourth proportional to 723,583.48, 1,083,928.16 and 435,235.86 is: 651,983.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,583.48 : 1,083,928.16 = 435,235.86 : x
  2. Step 2: Convert to fraction form
    723,583.48/1,083,928.16 = 435,235.86/x
  3. Step 3: Cross multiply
    723,583.48x = 1,083,928.16 × 435,235.86
  4. Step 4: Simplify right side
    723,583.48x = 471,764,404,895.82
  5. Step 5: Solve for x
    x = 471,764,404,895.82/723,583.48
  6. Step 6: Final answer
    x = 651,983.38

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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.