Home / 823,642.77-1,136,650.76-461,064.49

Finding the Fourth Proportional to 823,642.77, 1,136,650.76 and 461,064.49

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Solution

The fourth proportional to 823,642.77, 1,136,650.76 and 461,064.49 is: 636,282.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,642.77 : 1,136,650.76 = 461,064.49 : x
  2. Step 2: Convert to fraction form
    823,642.77/1,136,650.76 = 461,064.49/x
  3. Step 3: Cross multiply
    823,642.77x = 1,136,650.76 × 461,064.49
  4. Step 4: Simplify right side
    823,642.77x = 524,069,302,967.51
  5. Step 5: Solve for x
    x = 524,069,302,967.51/823,642.77
  6. Step 6: Final answer
    x = 636,282.28

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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.