Home / 582,513.90-873,895.59-329,913.78

Finding the Fourth Proportional to 582,513.90, 873,895.59 and 329,913.78

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Solution

The fourth proportional to 582,513.90, 873,895.59 and 329,913.78 is: 494,941.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,513.90 : 873,895.59 = 329,913.78 : x
  2. Step 2: Convert to fraction form
    582,513.90/873,895.59 = 329,913.78/x
  3. Step 3: Cross multiply
    582,513.90x = 873,895.59 × 329,913.78
  4. Step 4: Simplify right side
    582,513.90x = 288,310,197,422.23
  5. Step 5: Solve for x
    x = 288,310,197,422.23/582,513.90
  6. Step 6: Final answer
    x = 494,941.32

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Double scale
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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.