Home / 1,129,303.68-1,557,754.92-670,116.30

Finding the Fourth Proportional to 1,129,303.68, 1,557,754.92 and 670,116.30

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Solution

The fourth proportional to 1,129,303.68, 1,557,754.92 and 670,116.30 is: 924,354.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,303.68 : 1,557,754.92 = 670,116.30 : x
  2. Step 2: Convert to fraction form
    1,129,303.68/1,557,754.92 = 670,116.30/x
  3. Step 3: Cross multiply
    1,129,303.68x = 1,557,754.92 × 670,116.30
  4. Step 4: Simplify right side
    1,129,303.68x = 1,043,876,963,297.20
  5. Step 5: Solve for x
    x = 1,043,876,963,297.20/1,129,303.68
  6. Step 6: Final answer
    x = 924,354.52

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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.