Home / 1,238,858.60-1,858,266.02-340,296.84

Finding the Fourth Proportional to 1,238,858.60, 1,858,266.02 and 340,296.84

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Solution

The fourth proportional to 1,238,858.60, 1,858,266.02 and 340,296.84 is: 510,439.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,858.60 : 1,858,266.02 = 340,296.84 : x
  2. Step 2: Convert to fraction form
    1,238,858.60/1,858,266.02 = 340,296.84/x
  3. Step 3: Cross multiply
    1,238,858.60x = 1,858,266.02 × 340,296.84
  4. Step 4: Simplify right side
    1,238,858.60x = 632,362,055,336.12
  5. Step 5: Solve for x
    x = 632,362,055,336.12/1,238,858.60
  6. Step 6: Final answer
    x = 510,439.25

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1.5x scale

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.