Home / 461,639.55-637,064.29-257,686.82

Finding the Fourth Proportional to 461,639.55, 637,064.29 and 257,686.82

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Solution

The fourth proportional to 461,639.55, 637,064.29 and 257,686.82 is: 355,608.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,639.55 : 637,064.29 = 257,686.82 : x
  2. Step 2: Convert to fraction form
    461,639.55/637,064.29 = 257,686.82/x
  3. Step 3: Cross multiply
    461,639.55x = 637,064.29 × 257,686.82
  4. Step 4: Simplify right side
    461,639.55x = 164,163,070,551.44
  5. Step 5: Solve for x
    x = 164,163,070,551.44/461,639.55
  6. Step 6: Final answer
    x = 355,608.76

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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.