Home / 1,775,228.40-2,662,842.60-638,535.15

Finding the Fourth Proportional to 1,775,228.40, 2,662,842.60 and 638,535.15

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Solution

The fourth proportional to 1,775,228.40, 2,662,842.60 and 638,535.15 is: 957,802.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775,228.40 : 2,662,842.60 = 638,535.15 : x
  2. Step 2: Convert to fraction form
    1,775,228.40/2,662,842.60 = 638,535.15/x
  3. Step 3: Cross multiply
    1,775,228.40x = 2,662,842.60 × 638,535.15
  4. Step 4: Simplify right side
    1,775,228.40x = 1,700,318,599,017.39
  5. Step 5: Solve for x
    x = 1,700,318,599,017.39/1,775,228.40
  6. Step 6: Final answer
    x = 957,802.73

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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.