Home / 1,411,039.40-2,116,792.54-653,637.80

Finding the Fourth Proportional to 1,411,039.40, 2,116,792.54 and 653,637.80

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Solution

The fourth proportional to 1,411,039.40, 2,116,792.54 and 653,637.80 is: 980,564.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,039.40 : 2,116,792.54 = 653,637.80 : x
  2. Step 2: Convert to fraction form
    1,411,039.40/2,116,792.54 = 653,637.80/x
  3. Step 3: Cross multiply
    1,411,039.40x = 2,116,792.54 × 653,637.80
  4. Step 4: Simplify right side
    1,411,039.40x = 1,383,615,618,902.01
  5. Step 5: Solve for x
    x = 1,383,615,618,902.01/1,411,039.40
  6. Step 6: Final answer
    x = 980,564.84

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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.