Home / 498,733.01-688,255.95-283,886.91

Finding the Fourth Proportional to 498,733.01, 688,255.95 and 283,886.91

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Solution

The fourth proportional to 498,733.01, 688,255.95 and 283,886.91 is: 391,766.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,733.01 : 688,255.95 = 283,886.91 : x
  2. Step 2: Convert to fraction form
    498,733.01/688,255.95 = 283,886.91/x
  3. Step 3: Cross multiply
    498,733.01x = 688,255.95 × 283,886.91
  4. Step 4: Simplify right side
    498,733.01x = 195,386,855,999.19
  5. Step 5: Solve for x
    x = 195,386,855,999.19/498,733.01
  6. Step 6: Final answer
    x = 391,766.44

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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.