Home / 1,054,283.80-1,454,317.44-666,979

Finding the Fourth Proportional to 1,054,283.80, 1,454,317.44 and 666,979

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Solution

The fourth proportional to 1,054,283.80, 1,454,317.44 and 666,979 is: 920,055.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,283.80 : 1,454,317.44 = 666,979 : x
  2. Step 2: Convert to fraction form
    1,054,283.80/1,454,317.44 = 666,979/x
  3. Step 3: Cross multiply
    1,054,283.80x = 1,454,317.44 × 666,979
  4. Step 4: Simplify right side
    1,054,283.80x = 969,999,191,813.76
  5. Step 5: Solve for x
    x = 969,999,191,813.76/1,054,283.80
  6. Step 6: Final answer
    x = 920,055.10

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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.