Home / 519,039.39-716,283.69-304,240.35

Finding the Fourth Proportional to 519,039.39, 716,283.69 and 304,240.35

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Solution

The fourth proportional to 519,039.39, 716,283.69 and 304,240.35 is: 419,857.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,039.39 : 716,283.69 = 304,240.35 : x
  2. Step 2: Convert to fraction form
    519,039.39/716,283.69 = 304,240.35/x
  3. Step 3: Cross multiply
    519,039.39x = 716,283.69 × 304,240.35
  4. Step 4: Simplify right side
    519,039.39x = 217,922,400,544.89
  5. Step 5: Solve for x
    x = 217,922,400,544.89/519,039.39
  6. Step 6: Final answer
    x = 419,857.15

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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.