Home / 1,328,601.60-1,992,513.60-475,574.40

Finding the Fourth Proportional to 1,328,601.60, 1,992,513.60 and 475,574.40

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Solution

The fourth proportional to 1,328,601.60, 1,992,513.60 and 475,574.40 is: 713,222.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,601.60 : 1,992,513.60 = 475,574.40 : x
  2. Step 2: Convert to fraction form
    1,328,601.60/1,992,513.60 = 475,574.40/x
  3. Step 3: Cross multiply
    1,328,601.60x = 1,992,513.60 × 475,574.40
  4. Step 4: Simplify right side
    1,328,601.60x = 947,588,459,811.84
  5. Step 5: Solve for x
    x = 947,588,459,811.84/1,328,601.60
  6. Step 6: Final answer
    x = 713,222.43

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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.