Home / 464,477.24-640,945.67-257,756.73

Finding the Fourth Proportional to 464,477.24, 640,945.67 and 257,756.73

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Solution

The fourth proportional to 464,477.24, 640,945.67 and 257,756.73 is: 355,686.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,477.24 : 640,945.67 = 257,756.73 : x
  2. Step 2: Convert to fraction form
    464,477.24/640,945.67 = 257,756.73/x
  3. Step 3: Cross multiply
    464,477.24x = 640,945.67 × 257,756.73
  4. Step 4: Simplify right side
    464,477.24x = 165,208,060,006.86
  5. Step 5: Solve for x
    x = 165,208,060,006.86/464,477.24
  6. Step 6: Final answer
    x = 355,686.02

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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.