Home / 1,259,094.80-1,889,009.92-406,147.60

Finding the Fourth Proportional to 1,259,094.80, 1,889,009.92 and 406,147.60

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Solution

The fourth proportional to 1,259,094.80, 1,889,009.92 and 406,147.60 is: 609,340.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,094.80 : 1,889,009.92 = 406,147.60 : x
  2. Step 2: Convert to fraction form
    1,259,094.80/1,889,009.92 = 406,147.60/x
  3. Step 3: Cross multiply
    1,259,094.80x = 1,889,009.92 × 406,147.60
  4. Step 4: Simplify right side
    1,259,094.80x = 767,216,845,384.19
  5. Step 5: Solve for x
    x = 767,216,845,384.19/1,259,094.80
  6. Step 6: Final answer
    x = 609,340.02

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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.