Home / 739,837.60-1,109,756.40-403,914.40

Finding the Fourth Proportional to 739,837.60, 1,109,756.40 and 403,914.40

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Solution

The fourth proportional to 739,837.60, 1,109,756.40 and 403,914.40 is: 605,871.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,837.60 : 1,109,756.40 = 403,914.40 : x
  2. Step 2: Convert to fraction form
    739,837.60/1,109,756.40 = 403,914.40/x
  3. Step 3: Cross multiply
    739,837.60x = 1,109,756.40 × 403,914.40
  4. Step 4: Simplify right side
    739,837.60x = 448,246,590,452.16
  5. Step 5: Solve for x
    x = 448,246,590,452.16/739,837.60
  6. Step 6: Final answer
    x = 605,871.60

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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.