Home / 450,567.08-621,780.92-243,835.06

Finding the Fourth Proportional to 450,567.08, 621,780.92 and 243,835.06

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Solution

The fourth proportional to 450,567.08, 621,780.92 and 243,835.06 is: 336,491.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,567.08 : 621,780.92 = 243,835.06 : x
  2. Step 2: Convert to fraction form
    450,567.08/621,780.92 = 243,835.06/x
  3. Step 3: Cross multiply
    450,567.08x = 621,780.92 × 243,835.06
  4. Step 4: Simplify right side
    450,567.08x = 151,611,987,935.06
  5. Step 5: Solve for x
    x = 151,611,987,935.06/450,567.08
  6. Step 6: Final answer
    x = 336,491.49

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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.