Home / 448,158.25-618,471.35-246,967.21

Finding the Fourth Proportional to 448,158.25, 618,471.35 and 246,967.21

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Solution

The fourth proportional to 448,158.25, 618,471.35 and 246,967.21 is: 340,821.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,158.25 : 618,471.35 = 246,967.21 : x
  2. Step 2: Convert to fraction form
    448,158.25/618,471.35 = 246,967.21/x
  3. Step 3: Cross multiply
    448,158.25x = 618,471.35 × 246,967.21
  4. Step 4: Simplify right side
    448,158.25x = 152,742,143,774.43
  5. Step 5: Solve for x
    x = 152,742,143,774.43/448,158.25
  6. Step 6: Final answer
    x = 340,821.89

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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.