Home / 783,843.96-1,081,700.20-434,980.87

Finding the Fourth Proportional to 783,843.96, 1,081,700.20 and 434,980.87

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Solution

The fourth proportional to 783,843.96, 1,081,700.20 and 434,980.87 is: 600,271.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,843.96 : 1,081,700.20 = 434,980.87 : x
  2. Step 2: Convert to fraction form
    783,843.96/1,081,700.20 = 434,980.87/x
  3. Step 3: Cross multiply
    783,843.96x = 1,081,700.20 × 434,980.87
  4. Step 4: Simplify right side
    783,843.96x = 470,518,891,900.27
  5. Step 5: Solve for x
    x = 470,518,891,900.27/783,843.96
  6. Step 6: Final answer
    x = 600,271.12

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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.