Home / 1,185,933.96-1,778,980.32-417,340.44

Finding the Fourth Proportional to 1,185,933.96, 1,778,980.32 and 417,340.44

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Solution

The fourth proportional to 1,185,933.96, 1,778,980.32 and 417,340.44 is: 626,038.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,933.96 : 1,778,980.32 = 417,340.44 : x
  2. Step 2: Convert to fraction form
    1,185,933.96/1,778,980.32 = 417,340.44/x
  3. Step 3: Cross multiply
    1,185,933.96x = 1,778,980.32 × 417,340.44
  4. Step 4: Simplify right side
    1,185,933.96x = 742,440,429,500.14
  5. Step 5: Solve for x
    x = 742,440,429,500.14/1,185,933.96
  6. Step 6: Final answer
    x = 626,038.59

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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.