Home / 415,582.84-573,238.38-288,211.96

Finding the Fourth Proportional to 415,582.84, 573,238.38 and 288,211.96

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Solution

The fourth proportional to 415,582.84, 573,238.38 and 288,211.96 is: 397,548.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,582.84 : 573,238.38 = 288,211.96 : x
  2. Step 2: Convert to fraction form
    415,582.84/573,238.38 = 288,211.96/x
  3. Step 3: Cross multiply
    415,582.84x = 573,238.38 × 288,211.96
  4. Step 4: Simplify right side
    415,582.84x = 165,214,157,047.03
  5. Step 5: Solve for x
    x = 165,214,157,047.03/415,582.84
  6. Step 6: Final answer
    x = 397,548.07

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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.