Home / 1,038,990.80-1,558,097.40-364,811.60

Finding the Fourth Proportional to 1,038,990.80, 1,558,097.40 and 364,811.60

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Solution

The fourth proportional to 1,038,990.80, 1,558,097.40 and 364,811.60 is: 547,080.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,990.80 : 1,558,097.40 = 364,811.60 : x
  2. Step 2: Convert to fraction form
    1,038,990.80/1,558,097.40 = 364,811.60/x
  3. Step 3: Cross multiply
    1,038,990.80x = 1,558,097.40 × 364,811.60
  4. Step 4: Simplify right side
    1,038,990.80x = 568,412,005,449.84
  5. Step 5: Solve for x
    x = 568,412,005,449.84/1,038,990.80
  6. Step 6: Final answer
    x = 547,080.88

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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.