Home / 909,204.19-1,353,071.25-878,930.65

Finding the Fourth Proportional to 909,204.19, 1,353,071.25 and 878,930.65

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Solution

The fourth proportional to 909,204.19, 1,353,071.25 and 878,930.65 is: 1,308,018.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,204.19 : 1,353,071.25 = 878,930.65 : x
  2. Step 2: Convert to fraction form
    909,204.19/1,353,071.25 = 878,930.65/x
  3. Step 3: Cross multiply
    909,204.19x = 1,353,071.25 × 878,930.65
  4. Step 4: Simplify right side
    909,204.19x = 1,189,255,783,631.18
  5. Step 5: Solve for x
    x = 1,189,255,783,631.18/909,204.19
  6. Step 6: Final answer
    x = 1,308,018.37

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.