Home / 816,091.30-1,224,136.95-808,218.10

Finding the Fourth Proportional to 816,091.30, 1,224,136.95 and 808,218.10

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Solution

The fourth proportional to 816,091.30, 1,224,136.95 and 808,218.10 is: 1,212,327.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,091.30 : 1,224,136.95 = 808,218.10 : x
  2. Step 2: Convert to fraction form
    816,091.30/1,224,136.95 = 808,218.10/x
  3. Step 3: Cross multiply
    816,091.30x = 1,224,136.95 × 808,218.10
  4. Step 4: Simplify right side
    816,091.30x = 989,369,639,868.80
  5. Step 5: Solve for x
    x = 989,369,639,868.80/816,091.30
  6. Step 6: Final answer
    x = 1,212,327.15

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1.5x scale

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.