Home / 430,211.45-593,684.34-239,220.74

Finding the Fourth Proportional to 430,211.45, 593,684.34 and 239,220.74

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Solution

The fourth proportional to 430,211.45, 593,684.34 and 239,220.74 is: 330,120.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,211.45 : 593,684.34 = 239,220.74 : x
  2. Step 2: Convert to fraction form
    430,211.45/593,684.34 = 239,220.74/x
  3. Step 3: Cross multiply
    430,211.45x = 593,684.34 × 239,220.74
  4. Step 4: Simplify right side
    430,211.45x = 142,021,607,728.35
  5. Step 5: Solve for x
    x = 142,021,607,728.35/430,211.45
  6. Step 6: Final answer
    x = 330,120.47

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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.