Home / 1,081,600.16-1,621,256.16-407,389.74

Finding the Fourth Proportional to 1,081,600.16, 1,621,256.16 and 407,389.74

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Solution

The fourth proportional to 1,081,600.16, 1,621,256.16 and 407,389.74 is: 610,653.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,600.16 : 1,621,256.16 = 407,389.74 : x
  2. Step 2: Convert to fraction form
    1,081,600.16/1,621,256.16 = 407,389.74/x
  3. Step 3: Cross multiply
    1,081,600.16x = 1,621,256.16 × 407,389.74
  4. Step 4: Simplify right side
    1,081,600.16x = 660,483,125,495.80
  5. Step 5: Solve for x
    x = 660,483,125,495.80/1,081,600.16
  6. Step 6: Final answer
    x = 610,653.69

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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.