Home / 1,184,136.53-1,634,109.56-640,272.17

Finding the Fourth Proportional to 1,184,136.53, 1,634,109.56 and 640,272.17

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Solution

The fourth proportional to 1,184,136.53, 1,634,109.56 and 640,272.17 is: 883,576.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184,136.53 : 1,634,109.56 = 640,272.17 : x
  2. Step 2: Convert to fraction form
    1,184,136.53/1,634,109.56 = 640,272.17/x
  3. Step 3: Cross multiply
    1,184,136.53x = 1,634,109.56 × 640,272.17
  4. Step 4: Simplify right side
    1,184,136.53x = 1,046,274,862,627.04
  5. Step 5: Solve for x
    x = 1,046,274,862,627.04/1,184,136.53
  6. Step 6: Final answer
    x = 883,576.21

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Double scale
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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.