Home / 1,308,857.60-1,963,286.40-467,436.80

Finding the Fourth Proportional to 1,308,857.60, 1,963,286.40 and 467,436.80

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Solution

The fourth proportional to 1,308,857.60, 1,963,286.40 and 467,436.80 is: 701,155.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,857.60 : 1,963,286.40 = 467,436.80 : x
  2. Step 2: Convert to fraction form
    1,308,857.60/1,963,286.40 = 467,436.80/x
  3. Step 3: Cross multiply
    1,308,857.60x = 1,963,286.40 × 467,436.80
  4. Step 4: Simplify right side
    1,308,857.60x = 917,712,312,299.52
  5. Step 5: Solve for x
    x = 917,712,312,299.52/1,308,857.60
  6. Step 6: Final answer
    x = 701,155.20

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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.