Home / 908,704.36-1,362,356.70-435,145.96

Finding the Fourth Proportional to 908,704.36, 1,362,356.70 and 435,145.96

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Solution

The fourth proportional to 908,704.36, 1,362,356.70 and 435,145.96 is: 652,383.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,704.36 : 1,362,356.70 = 435,145.96 : x
  2. Step 2: Convert to fraction form
    908,704.36/1,362,356.70 = 435,145.96/x
  3. Step 3: Cross multiply
    908,704.36x = 1,362,356.70 × 435,145.96
  4. Step 4: Simplify right side
    908,704.36x = 592,824,014,083.93
  5. Step 5: Solve for x
    x = 592,824,014,083.93/908,704.36
  6. Step 6: Final answer
    x = 652,383.81

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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.