Home / 1,657,876.11-2,486,814-459,798.40

Finding the Fourth Proportional to 1,657,876.11, 2,486,814 and 459,798.40

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Solution

The fourth proportional to 1,657,876.11, 2,486,814 and 459,798.40 is: 689,697.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,876.11 : 2,486,814 = 459,798.40 : x
  2. Step 2: Convert to fraction form
    1,657,876.11/2,486,814 = 459,798.40/x
  3. Step 3: Cross multiply
    1,657,876.11x = 2,486,814 × 459,798.40
  4. Step 4: Simplify right side
    1,657,876.11x = 1,143,433,098,297.60
  5. Step 5: Solve for x
    x = 1,143,433,098,297.60/1,657,876.11
  6. Step 6: Final answer
    x = 689,697.55

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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.