Home / 908,418.80-1,362,628.20-572,495.60

Finding the Fourth Proportional to 908,418.80, 1,362,628.20 and 572,495.60

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Solution

The fourth proportional to 908,418.80, 1,362,628.20 and 572,495.60 is: 858,743.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,418.80 : 1,362,628.20 = 572,495.60 : x
  2. Step 2: Convert to fraction form
    908,418.80/1,362,628.20 = 572,495.60/x
  3. Step 3: Cross multiply
    908,418.80x = 1,362,628.20 × 572,495.60
  4. Step 4: Simplify right side
    908,418.80x = 780,098,648,935.92
  5. Step 5: Solve for x
    x = 780,098,648,935.92/908,418.80
  6. Step 6: Final answer
    x = 858,743.40

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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.