Home / 471,979.52-651,325.77-257,114.96

Finding the Fourth Proportional to 471,979.52, 651,325.77 and 257,114.96

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Solution

The fourth proportional to 471,979.52, 651,325.77 and 257,114.96 is: 354,815.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,979.52 : 651,325.77 = 257,114.96 : x
  2. Step 2: Convert to fraction form
    471,979.52/651,325.77 = 257,114.96/x
  3. Step 3: Cross multiply
    471,979.52x = 651,325.77 × 257,114.96
  4. Step 4: Simplify right side
    471,979.52x = 167,465,596,043.89
  5. Step 5: Solve for x
    x = 167,465,596,043.89/471,979.52
  6. Step 6: Final answer
    x = 354,815.39

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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.