Home / 461,905.79-637,423.25-257,954.55

Finding the Fourth Proportional to 461,905.79, 637,423.25 and 257,954.55

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Solution

The fourth proportional to 461,905.79, 637,423.25 and 257,954.55 is: 355,973.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,905.79 : 637,423.25 = 257,954.55 : x
  2. Step 2: Convert to fraction form
    461,905.79/637,423.25 = 257,954.55/x
  3. Step 3: Cross multiply
    461,905.79x = 637,423.25 × 257,954.55
  4. Step 4: Simplify right side
    461,905.79x = 164,426,228,258.17
  5. Step 5: Solve for x
    x = 164,426,228,258.17/461,905.79
  6. Step 6: Final answer
    x = 355,973.52

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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.