Home / 582,283.83-803,867.09-408,388.07

Finding the Fourth Proportional to 582,283.83, 803,867.09 and 408,388.07

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Solution

The fourth proportional to 582,283.83, 803,867.09 and 408,388.07 is: 563,796.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,283.83 : 803,867.09 = 408,388.07 : x
  2. Step 2: Convert to fraction form
    582,283.83/803,867.09 = 408,388.07/x
  3. Step 3: Cross multiply
    582,283.83x = 803,867.09 × 408,388.07
  4. Step 4: Simplify right side
    582,283.83x = 328,289,723,360.34
  5. Step 5: Solve for x
    x = 328,289,723,360.34/582,283.83
  6. Step 6: Final answer
    x = 563,796.74

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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.