Home / 1,838,884.40-2,758,326.60-509,188.40

Finding the Fourth Proportional to 1,838,884.40, 2,758,326.60 and 509,188.40

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Solution

The fourth proportional to 1,838,884.40, 2,758,326.60 and 509,188.40 is: 763,782.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,838,884.40 : 2,758,326.60 = 509,188.40 : x
  2. Step 2: Convert to fraction form
    1,838,884.40/2,758,326.60 = 509,188.40/x
  3. Step 3: Cross multiply
    1,838,884.40x = 2,758,326.60 × 509,188.40
  4. Step 4: Simplify right side
    1,838,884.40x = 1,404,507,908,131.44
  5. Step 5: Solve for x
    x = 1,404,507,908,131.44/1,838,884.40
  6. Step 6: Final answer
    x = 763,782.60

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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.