Home / 1,478,368.64-2,040,585.03-866,653.80

Finding the Fourth Proportional to 1,478,368.64, 2,040,585.03 and 866,653.80

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Solution

The fourth proportional to 1,478,368.64, 2,040,585.03 and 866,653.80 is: 1,196,238.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,368.64 : 2,040,585.03 = 866,653.80 : x
  2. Step 2: Convert to fraction form
    1,478,368.64/2,040,585.03 = 866,653.80/x
  3. Step 3: Cross multiply
    1,478,368.64x = 2,040,585.03 × 866,653.80
  4. Step 4: Simplify right side
    1,478,368.64x = 1,768,480,770,534.45
  5. Step 5: Solve for x
    x = 1,768,480,770,534.45/1,478,368.64
  6. Step 6: Final answer
    x = 1,196,238.02

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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.