Home / 1,020,958.78-1,409,307.52-767,043.22

Finding the Fourth Proportional to 1,020,958.78, 1,409,307.52 and 767,043.22

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Solution

The fourth proportional to 1,020,958.78, 1,409,307.52 and 767,043.22 is: 1,058,808.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,958.78 : 1,409,307.52 = 767,043.22 : x
  2. Step 2: Convert to fraction form
    1,020,958.78/1,409,307.52 = 767,043.22/x
  3. Step 3: Cross multiply
    1,020,958.78x = 1,409,307.52 × 767,043.22
  4. Step 4: Simplify right side
    1,020,958.78x = 1,080,999,778,111.01
  5. Step 5: Solve for x
    x = 1,080,999,778,111.01/1,020,958.78
  6. Step 6: Final answer
    x = 1,058,808.44

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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.