Home / 653,359.42-901,847.37-423,511.21

Finding the Fourth Proportional to 653,359.42, 901,847.37 and 423,511.21

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Solution

The fourth proportional to 653,359.42, 901,847.37 and 423,511.21 is: 584,582.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,359.42 : 901,847.37 = 423,511.21 : x
  2. Step 2: Convert to fraction form
    653,359.42/901,847.37 = 423,511.21/x
  3. Step 3: Cross multiply
    653,359.42x = 901,847.37 × 423,511.21
  4. Step 4: Simplify right side
    653,359.42x = 381,942,470,904.02
  5. Step 5: Solve for x
    x = 381,942,470,904.02/653,359.42
  6. Step 6: Final answer
    x = 584,582.48

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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.