Home / 920,977.00-1,378,914.91-470,728.37

Finding the Fourth Proportional to 920,977.00, 1,378,914.91 and 470,728.37

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Solution

The fourth proportional to 920,977.00, 1,378,914.91 and 470,728.37 is: 704,788.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,977.00 : 1,378,914.91 = 470,728.37 : x
  2. Step 2: Convert to fraction form
    920,977.00/1,378,914.91 = 470,728.37/x
  3. Step 3: Cross multiply
    920,977.00x = 1,378,914.91 × 470,728.37
  4. Step 4: Simplify right side
    920,977.00x = 649,094,370,223.46
  5. Step 5: Solve for x
    x = 649,094,370,223.46/920,977.00
  6. Step 6: Final answer
    x = 704,788.91

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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.