Home / 1,243,001.40-1,855,391.91-1,151,712.24

Finding the Fourth Proportional to 1,243,001.40, 1,855,391.91 and 1,151,712.24

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Solution

The fourth proportional to 1,243,001.40, 1,855,391.91 and 1,151,712.24 is: 1,719,127.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,001.40 : 1,855,391.91 = 1,151,712.24 : x
  2. Step 2: Convert to fraction form
    1,243,001.40/1,855,391.91 = 1,151,712.24/x
  3. Step 3: Cross multiply
    1,243,001.40x = 1,855,391.91 × 1,151,712.24
  4. Step 4: Simplify right side
    1,243,001.40x = 2,136,877,572,743.98
  5. Step 5: Solve for x
    x = 2,136,877,572,743.98/1,243,001.40
  6. Step 6: Final answer
    x = 1,719,127.25

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.