Home / 432,021.60-648,032.40-245,397.60

Finding the Fourth Proportional to 432,021.60, 648,032.40 and 245,397.60

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Solution

The fourth proportional to 432,021.60, 648,032.40 and 245,397.60 is: 368,096.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,021.60 : 648,032.40 = 245,397.60 : x
  2. Step 2: Convert to fraction form
    432,021.60/648,032.40 = 245,397.60/x
  3. Step 3: Cross multiply
    432,021.60x = 648,032.40 × 245,397.60
  4. Step 4: Simplify right side
    432,021.60x = 159,025,595,682.24
  5. Step 5: Solve for x
    x = 159,025,595,682.24/432,021.60
  6. Step 6: Final answer
    x = 368,096.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.