Home / 923,521.20-1,382,779.44-479,356.08

Finding the Fourth Proportional to 923,521.20, 1,382,779.44 and 479,356.08

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Solution

The fourth proportional to 923,521.20, 1,382,779.44 and 479,356.08 is: 717,735.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,521.20 : 1,382,779.44 = 479,356.08 : x
  2. Step 2: Convert to fraction form
    923,521.20/1,382,779.44 = 479,356.08/x
  3. Step 3: Cross multiply
    923,521.20x = 1,382,779.44 × 479,356.08
  4. Step 4: Simplify right side
    923,521.20x = 662,843,731,863.00
  5. Step 5: Solve for x
    x = 662,843,731,863.00/923,521.20
  6. Step 6: Final answer
    x = 717,735.26

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1.5x scale

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.