Home / 839,794.78-1,257,496.16-459,925.17

Finding the Fourth Proportional to 839,794.78, 1,257,496.16 and 459,925.17

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Solution

The fourth proportional to 839,794.78, 1,257,496.16 and 459,925.17 is: 688,685.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,794.78 : 1,257,496.16 = 459,925.17 : x
  2. Step 2: Convert to fraction form
    839,794.78/1,257,496.16 = 459,925.17/x
  3. Step 3: Cross multiply
    839,794.78x = 1,257,496.16 × 459,925.17
  4. Step 4: Simplify right side
    839,794.78x = 578,354,126,575.24
  5. Step 5: Solve for x
    x = 578,354,126,575.24/839,794.78
  6. Step 6: Final answer
    x = 688,685.07

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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.