Home / 783,495.04-1,081,200.64-444,072.96

Finding the Fourth Proportional to 783,495.04, 1,081,200.64 and 444,072.96

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Solution

The fourth proportional to 783,495.04, 1,081,200.64 and 444,072.96 is: 612,807.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,495.04 : 1,081,200.64 = 444,072.96 : x
  2. Step 2: Convert to fraction form
    783,495.04/1,081,200.64 = 444,072.96/x
  3. Step 3: Cross multiply
    783,495.04x = 1,081,200.64 × 444,072.96
  4. Step 4: Simplify right side
    783,495.04x = 480,131,968,558.69
  5. Step 5: Solve for x
    x = 480,131,968,558.69/783,495.04
  6. Step 6: Final answer
    x = 612,807.92

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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.