Home / 1,396,824-1,927,526.40-823,732.80

Finding the Fourth Proportional to 1,396,824, 1,927,526.40 and 823,732.80

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Solution

The fourth proportional to 1,396,824, 1,927,526.40 and 823,732.80 is: 1,136,697.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,824 : 1,927,526.40 = 823,732.80 : x
  2. Step 2: Convert to fraction form
    1,396,824/1,927,526.40 = 823,732.80/x
  3. Step 3: Cross multiply
    1,396,824x = 1,927,526.40 × 823,732.80
  4. Step 4: Simplify right side
    1,396,824x = 1,587,766,718,545.92
  5. Step 5: Solve for x
    x = 1,587,766,718,545.92/1,396,824
  6. Step 6: Final answer
    x = 1,136,697.76

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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.