Home / 1,529,707.36-2,111,000.36-841,449.72

Finding the Fourth Proportional to 1,529,707.36, 2,111,000.36 and 841,449.72

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Solution

The fourth proportional to 1,529,707.36, 2,111,000.36 and 841,449.72 is: 1,161,202.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529,707.36 : 2,111,000.36 = 841,449.72 : x
  2. Step 2: Convert to fraction form
    1,529,707.36/2,111,000.36 = 841,449.72/x
  3. Step 3: Cross multiply
    1,529,707.36x = 2,111,000.36 × 841,449.72
  4. Step 4: Simplify right side
    1,529,707.36x = 1,776,300,662,912.15
  5. Step 5: Solve for x
    x = 1,776,300,662,912.15/1,529,707.36
  6. Step 6: Final answer
    x = 1,161,202.93

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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.