Home / 841,388.04-1,161,110.90-459,412.09

Finding the Fourth Proportional to 841,388.04, 1,161,110.90 and 459,412.09

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Solution

The fourth proportional to 841,388.04, 1,161,110.90 and 459,412.09 is: 633,986.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,388.04 : 1,161,110.90 = 459,412.09 : x
  2. Step 2: Convert to fraction form
    841,388.04/1,161,110.90 = 459,412.09/x
  3. Step 3: Cross multiply
    841,388.04x = 1,161,110.90 × 459,412.09
  4. Step 4: Simplify right side
    841,388.04x = 533,428,383,536.53
  5. Step 5: Solve for x
    x = 533,428,383,536.53/841,388.04
  6. Step 6: Final answer
    x = 633,986.17

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1.5x scale

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.