Home / 454,146.47-626,722.13-263,270.58

Finding the Fourth Proportional to 454,146.47, 626,722.13 and 263,270.58

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Solution

The fourth proportional to 454,146.47, 626,722.13 and 263,270.58 is: 363,313.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,146.47 : 626,722.13 = 263,270.58 : x
  2. Step 2: Convert to fraction form
    454,146.47/626,722.13 = 263,270.58/x
  3. Step 3: Cross multiply
    454,146.47x = 626,722.13 × 263,270.58
  4. Step 4: Simplify right side
    454,146.47x = 164,997,496,971.90
  5. Step 5: Solve for x
    x = 164,997,496,971.90/454,146.47
  6. Step 6: Final answer
    x = 363,313.40

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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.