Home / 385,733.48-532,306.24-215,973.68

Finding the Fourth Proportional to 385,733.48, 532,306.24 and 215,973.68

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Solution

The fourth proportional to 385,733.48, 532,306.24 and 215,973.68 is: 298,040.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,733.48 : 532,306.24 = 215,973.68 : x
  2. Step 2: Convert to fraction form
    385,733.48/532,306.24 = 215,973.68/x
  3. Step 3: Cross multiply
    385,733.48x = 532,306.24 × 215,973.68
  4. Step 4: Simplify right side
    385,733.48x = 114,964,137,539.76
  5. Step 5: Solve for x
    x = 114,964,137,539.76/385,733.48
  6. Step 6: Final answer
    x = 298,040.34

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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.