Home / 447,947.93-618,168.20-246,743.93

Finding the Fourth Proportional to 447,947.93, 618,168.20 and 246,743.93

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Solution

The fourth proportional to 447,947.93, 618,168.20 and 246,743.93 is: 340,506.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,947.93 : 618,168.20 = 246,743.93 : x
  2. Step 2: Convert to fraction form
    447,947.93/618,168.20 = 246,743.93/x
  3. Step 3: Cross multiply
    447,947.93x = 618,168.20 × 246,743.93
  4. Step 4: Simplify right side
    447,947.93x = 152,529,249,835.31
  5. Step 5: Solve for x
    x = 152,529,249,835.31/447,947.93
  6. Step 6: Final answer
    x = 340,506.65

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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.