Home / 1,269,621-1,904,543.28-470,911.32

Finding the Fourth Proportional to 1,269,621, 1,904,543.28 and 470,911.32

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Solution

The fourth proportional to 1,269,621, 1,904,543.28 and 470,911.32 is: 706,408.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,621 : 1,904,543.28 = 470,911.32 : x
  2. Step 2: Convert to fraction form
    1,269,621/1,904,543.28 = 470,911.32/x
  3. Step 3: Cross multiply
    1,269,621x = 1,904,543.28 × 470,911.32
  4. Step 4: Simplify right side
    1,269,621x = 896,870,989,981.93
  5. Step 5: Solve for x
    x = 896,870,989,981.93/1,269,621
  6. Step 6: Final answer
    x = 706,408.44

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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.