Home / 582,036.48-802,523.30-398,363.63

Finding the Fourth Proportional to 582,036.48, 802,523.30 and 398,363.63

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Solution

The fourth proportional to 582,036.48, 802,523.30 and 398,363.63 is: 549,271.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,036.48 : 802,523.30 = 398,363.63 : x
  2. Step 2: Convert to fraction form
    582,036.48/802,523.30 = 398,363.63/x
  3. Step 3: Cross multiply
    582,036.48x = 802,523.30 × 398,363.63
  4. Step 4: Simplify right side
    582,036.48x = 319,696,088,943.14
  5. Step 5: Solve for x
    x = 319,696,088,943.14/582,036.48
  6. Step 6: Final answer
    x = 549,271.57

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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.