Home / 1,333,880.74-2,001,139.44-435,324.16

Finding the Fourth Proportional to 1,333,880.74, 2,001,139.44 and 435,324.16

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Solution

The fourth proportional to 1,333,880.74, 2,001,139.44 and 435,324.16 is: 653,090.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,880.74 : 2,001,139.44 = 435,324.16 : x
  2. Step 2: Convert to fraction form
    1,333,880.74/2,001,139.44 = 435,324.16/x
  3. Step 3: Cross multiply
    1,333,880.74x = 2,001,139.44 × 435,324.16
  4. Step 4: Simplify right side
    1,333,880.74x = 871,144,345,760.87
  5. Step 5: Solve for x
    x = 871,144,345,760.87/1,333,880.74
  6. Step 6: Final answer
    x = 653,090.13

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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.