Home / 719,389.94-1,078,982.58-293,111.78

Finding the Fourth Proportional to 719,389.94, 1,078,982.58 and 293,111.78

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Solution

The fourth proportional to 719,389.94, 1,078,982.58 and 293,111.78 is: 439,625.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,389.94 : 1,078,982.58 = 293,111.78 : x
  2. Step 2: Convert to fraction form
    719,389.94/1,078,982.58 = 293,111.78/x
  3. Step 3: Cross multiply
    719,389.94x = 1,078,982.58 × 293,111.78
  4. Step 4: Simplify right side
    719,389.94x = 316,262,504,612.79
  5. Step 5: Solve for x
    x = 316,262,504,612.79/719,389.94
  6. Step 6: Final answer
    x = 439,625.98

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1.5x scale

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.