Home / 448,215.64-618,537.59-247,011.64

Finding the Fourth Proportional to 448,215.64, 618,537.59 and 247,011.64

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Solution

The fourth proportional to 448,215.64, 618,537.59 and 247,011.64 is: 340,876.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,215.64 : 618,537.59 = 247,011.64 : x
  2. Step 2: Convert to fraction form
    448,215.64/618,537.59 = 247,011.64/x
  3. Step 3: Cross multiply
    448,215.64x = 618,537.59 × 247,011.64
  4. Step 4: Simplify right side
    448,215.64x = 152,785,986,361.40
  5. Step 5: Solve for x
    x = 152,785,986,361.40/448,215.64
  6. Step 6: Final answer
    x = 340,876.07

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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.