Home / 448,382.36-618,758.52-247,178.36

Finding the Fourth Proportional to 448,382.36, 618,758.52 and 247,178.36

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Solution

The fourth proportional to 448,382.36, 618,758.52 and 247,178.36 is: 341,101.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,382.36 : 618,758.52 = 247,178.36 : x
  2. Step 2: Convert to fraction form
    448,382.36/618,758.52 = 247,178.36/x
  3. Step 3: Cross multiply
    448,382.36x = 618,758.52 × 247,178.36
  4. Step 4: Simplify right side
    448,382.36x = 152,943,716,209.63
  5. Step 5: Solve for x
    x = 152,943,716,209.63/448,382.36
  6. Step 6: Final answer
    x = 341,101.10

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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.