Home / 454,218.17-626,821.65-247,485.57

Finding the Fourth Proportional to 454,218.17, 626,821.65 and 247,485.57

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Solution

The fourth proportional to 454,218.17, 626,821.65 and 247,485.57 is: 341,530.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,218.17 : 626,821.65 = 247,485.57 : x
  2. Step 2: Convert to fraction form
    454,218.17/626,821.65 = 247,485.57/x
  3. Step 3: Cross multiply
    454,218.17x = 626,821.65 × 247,485.57
  4. Step 4: Simplify right side
    454,218.17x = 155,129,313,338.59
  5. Step 5: Solve for x
    x = 155,129,313,338.59/454,218.17
  6. Step 6: Final answer
    x = 341,530.40

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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.