Home / 454,270.14-626,220.32-290,908.53

Finding the Fourth Proportional to 454,270.14, 626,220.32 and 290,908.53

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Solution

The fourth proportional to 454,270.14, 626,220.32 and 290,908.53 is: 401,023.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,270.14 : 626,220.32 = 290,908.53 : x
  2. Step 2: Convert to fraction form
    454,270.14/626,220.32 = 290,908.53/x
  3. Step 3: Cross multiply
    454,270.14x = 626,220.32 × 290,908.53
  4. Step 4: Simplify right side
    454,270.14x = 182,172,831,292.79
  5. Step 5: Solve for x
    x = 182,172,831,292.79/454,270.14
  6. Step 6: Final answer
    x = 401,023.13

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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.