Home / 1,638,621.16-2,457,931.70-516,690.16

Finding the Fourth Proportional to 1,638,621.16, 2,457,931.70 and 516,690.16

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Solution

The fourth proportional to 1,638,621.16, 2,457,931.70 and 516,690.16 is: 775,035.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,621.16 : 2,457,931.70 = 516,690.16 : x
  2. Step 2: Convert to fraction form
    1,638,621.16/2,457,931.70 = 516,690.16/x
  3. Step 3: Cross multiply
    1,638,621.16x = 2,457,931.70 × 516,690.16
  4. Step 4: Simplify right side
    1,638,621.16x = 1,269,989,118,488.97
  5. Step 5: Solve for x
    x = 1,269,989,118,488.97/1,638,621.16
  6. Step 6: Final answer
    x = 775,035.23

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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.