Home / 920,886.21-1,382,271.93-760,450.97

Finding the Fourth Proportional to 920,886.21, 1,382,271.93 and 760,450.97

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Solution

The fourth proportional to 920,886.21, 1,382,271.93 and 760,450.97 is: 1,141,454.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,886.21 : 1,382,271.93 = 760,450.97 : x
  2. Step 2: Convert to fraction form
    920,886.21/1,382,271.93 = 760,450.97/x
  3. Step 3: Cross multiply
    920,886.21x = 1,382,271.93 × 760,450.97
  4. Step 4: Simplify right side
    920,886.21x = 1,051,150,023,060.91
  5. Step 5: Solve for x
    x = 1,051,150,023,060.91/920,886.21
  6. Step 6: Final answer
    x = 1,141,454.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.