Home / 813,637.53-1,122,819.66-451,060.47

Finding the Fourth Proportional to 813,637.53, 1,122,819.66 and 451,060.47

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Solution

The fourth proportional to 813,637.53, 1,122,819.66 and 451,060.47 is: 622,463.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,637.53 : 1,122,819.66 = 451,060.47 : x
  2. Step 2: Convert to fraction form
    813,637.53/1,122,819.66 = 451,060.47/x
  3. Step 3: Cross multiply
    813,637.53x = 1,122,819.66 × 451,060.47
  4. Step 4: Simplify right side
    813,637.53x = 506,459,563,564.84
  5. Step 5: Solve for x
    x = 506,459,563,564.84/813,637.53
  6. Step 6: Final answer
    x = 622,463.38

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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.