Home / 653,216.54-979,285.34-288,218.27

Finding the Fourth Proportional to 653,216.54, 979,285.34 and 288,218.27

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Solution

The fourth proportional to 653,216.54, 979,285.34 and 288,218.27 is: 432,089.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,216.54 : 979,285.34 = 288,218.27 : x
  2. Step 2: Convert to fraction form
    653,216.54/979,285.34 = 288,218.27/x
  3. Step 3: Cross multiply
    653,216.54x = 979,285.34 × 288,218.27
  4. Step 4: Simplify right side
    653,216.54x = 282,247,929,699.92
  5. Step 5: Solve for x
    x = 282,247,929,699.92/653,216.54
  6. Step 6: Final answer
    x = 432,089.38

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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.