Home / 818,412.92-1,129,466.59-496,136.60

Finding the Fourth Proportional to 818,412.92, 1,129,466.59 and 496,136.60

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Solution

The fourth proportional to 818,412.92, 1,129,466.59 and 496,136.60 is: 684,702.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,412.92 : 1,129,466.59 = 496,136.60 : x
  2. Step 2: Convert to fraction form
    818,412.92/1,129,466.59 = 496,136.60/x
  3. Step 3: Cross multiply
    818,412.92x = 1,129,466.59 × 496,136.60
  4. Step 4: Simplify right side
    818,412.92x = 560,369,706,888.52
  5. Step 5: Solve for x
    x = 560,369,706,888.52/818,412.92
  6. Step 6: Final answer
    x = 684,702.91

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Double scale
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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.