Home / 885,888.65-1,222,101.14-579,830.28

Finding the Fourth Proportional to 885,888.65, 1,222,101.14 and 579,830.28

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Solution

The fourth proportional to 885,888.65, 1,222,101.14 and 579,830.28 is: 799,887.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,888.65 : 1,222,101.14 = 579,830.28 : x
  2. Step 2: Convert to fraction form
    885,888.65/1,222,101.14 = 579,830.28/x
  3. Step 3: Cross multiply
    885,888.65x = 1,222,101.14 × 579,830.28
  4. Step 4: Simplify right side
    885,888.65x = 708,611,243,295.37
  5. Step 5: Solve for x
    x = 708,611,243,295.37/885,888.65
  6. Step 6: Final answer
    x = 799,887.49

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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.