Home / 610,504.88-915,913.08-189,784.40

Finding the Fourth Proportional to 610,504.88, 915,913.08 and 189,784.40

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Solution

The fourth proportional to 610,504.88, 915,913.08 and 189,784.40 is: 284,725.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,504.88 : 915,913.08 = 189,784.40 : x
  2. Step 2: Convert to fraction form
    610,504.88/915,913.08 = 189,784.40/x
  3. Step 3: Cross multiply
    610,504.88x = 915,913.08 × 189,784.40
  4. Step 4: Simplify right side
    610,504.88x = 173,826,014,339.95
  5. Step 5: Solve for x
    x = 173,826,014,339.95/610,504.88
  6. Step 6: Final answer
    x = 284,725.02

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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.