Home / 834,068.13-1,151,136.93-528,172.44

Finding the Fourth Proportional to 834,068.13, 1,151,136.93 and 528,172.44

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Solution

The fourth proportional to 834,068.13, 1,151,136.93 and 528,172.44 is: 728,955.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,068.13 : 1,151,136.93 = 528,172.44 : x
  2. Step 2: Convert to fraction form
    834,068.13/1,151,136.93 = 528,172.44/x
  3. Step 3: Cross multiply
    834,068.13x = 1,151,136.93 × 528,172.44
  4. Step 4: Simplify right side
    834,068.13x = 607,998,801,092.21
  5. Step 5: Solve for x
    x = 607,998,801,092.21/834,068.13
  6. Step 6: Final answer
    x = 728,955.80

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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.