Home / 579,182.03-799,276.50-321,061.76

Finding the Fourth Proportional to 579,182.03, 799,276.50 and 321,061.76

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Solution

The fourth proportional to 579,182.03, 799,276.50 and 321,061.76 is: 443,068.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,182.03 : 799,276.50 = 321,061.76 : x
  2. Step 2: Convert to fraction form
    579,182.03/799,276.50 = 321,061.76/x
  3. Step 3: Cross multiply
    579,182.03x = 799,276.50 × 321,061.76
  4. Step 4: Simplify right side
    579,182.03x = 256,617,119,816.64
  5. Step 5: Solve for x
    x = 256,617,119,816.64/579,182.03
  6. Step 6: Final answer
    x = 443,068.17

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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.