Home / 730,404.61-1,007,956.24-408,114.95

Finding the Fourth Proportional to 730,404.61, 1,007,956.24 and 408,114.95

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Solution

The fourth proportional to 730,404.61, 1,007,956.24 and 408,114.95 is: 563,197.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,404.61 : 1,007,956.24 = 408,114.95 : x
  2. Step 2: Convert to fraction form
    730,404.61/1,007,956.24 = 408,114.95/x
  3. Step 3: Cross multiply
    730,404.61x = 1,007,956.24 × 408,114.95
  4. Step 4: Simplify right side
    730,404.61x = 411,362,004,429.72
  5. Step 5: Solve for x
    x = 411,362,004,429.72/730,404.61
  6. Step 6: Final answer
    x = 563,197.44

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1.5x scale

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.