Home / 1,533,865.42-2,116,637.40-845,499.34

Finding the Fourth Proportional to 1,533,865.42, 2,116,637.40 and 845,499.34

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Solution

The fourth proportional to 1,533,865.42, 2,116,637.40 and 845,499.34 is: 1,166,735.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533,865.42 : 2,116,637.40 = 845,499.34 : x
  2. Step 2: Convert to fraction form
    1,533,865.42/2,116,637.40 = 845,499.34/x
  3. Step 3: Cross multiply
    1,533,865.42x = 2,116,637.40 × 845,499.34
  4. Step 4: Simplify right side
    1,533,865.42x = 1,789,615,524,719.32
  5. Step 5: Solve for x
    x = 1,789,615,524,719.32/1,533,865.42
  6. Step 6: Final answer
    x = 1,166,735.69

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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.