Home / 1,330,173.19-1,835,938.00-871,021.10

Finding the Fourth Proportional to 1,330,173.19, 1,835,938.00 and 871,021.10

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Solution

The fourth proportional to 1,330,173.19, 1,835,938.00 and 871,021.10 is: 1,202,204.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,173.19 : 1,835,938.00 = 871,021.10 : x
  2. Step 2: Convert to fraction form
    1,330,173.19/1,835,938.00 = 871,021.10/x
  3. Step 3: Cross multiply
    1,330,173.19x = 1,835,938.00 × 871,021.10
  4. Step 4: Simplify right side
    1,330,173.19x = 1,599,140,731,643.27
  5. Step 5: Solve for x
    x = 1,599,140,731,643.27/1,330,173.19
  6. Step 6: Final answer
    x = 1,202,204.90

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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.