Home / 1,110,071.52-1,664,804.88-311,303.52

Finding the Fourth Proportional to 1,110,071.52, 1,664,804.88 and 311,303.52

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Solution

The fourth proportional to 1,110,071.52, 1,664,804.88 and 311,303.52 is: 466,870.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,071.52 : 1,664,804.88 = 311,303.52 : x
  2. Step 2: Convert to fraction form
    1,110,071.52/1,664,804.88 = 311,303.52/x
  3. Step 3: Cross multiply
    1,110,071.52x = 1,664,804.88 × 311,303.52
  4. Step 4: Simplify right side
    1,110,071.52x = 518,259,619,257.18
  5. Step 5: Solve for x
    x = 518,259,619,257.18/1,110,071.52
  6. Step 6: Final answer
    x = 466,870.48

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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.