Home / 1,456,430.94-2,009,051.64-911,620.89

Finding the Fourth Proportional to 1,456,430.94, 2,009,051.64 and 911,620.89

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Solution

The fourth proportional to 1,456,430.94, 2,009,051.64 and 911,620.89 is: 1,257,521.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,430.94 : 2,009,051.64 = 911,620.89 : x
  2. Step 2: Convert to fraction form
    1,456,430.94/2,009,051.64 = 911,620.89/x
  3. Step 3: Cross multiply
    1,456,430.94x = 2,009,051.64 × 911,620.89
  4. Step 4: Simplify right side
    1,456,430.94x = 1,831,493,444,112.76
  5. Step 5: Solve for x
    x = 1,831,493,444,112.76/1,456,430.94
  6. Step 6: Final answer
    x = 1,257,521.65

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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.