Home / 497,348.06-746,543.90-440,784.04

Finding the Fourth Proportional to 497,348.06, 746,543.90 and 440,784.04

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Solution

The fourth proportional to 497,348.06, 746,543.90 and 440,784.04 is: 661,638.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,348.06 : 746,543.90 = 440,784.04 : x
  2. Step 2: Convert to fraction form
    497,348.06/746,543.90 = 440,784.04/x
  3. Step 3: Cross multiply
    497,348.06x = 746,543.90 × 440,784.04
  4. Step 4: Simplify right side
    497,348.06x = 329,064,632,546.64
  5. Step 5: Solve for x
    x = 329,064,632,546.64/497,348.06
  6. Step 6: Final answer
    x = 661,638.52

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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.