Home / 1,048,196.80-1,568,666.40-627,774.40

Finding the Fourth Proportional to 1,048,196.80, 1,568,666.40 and 627,774.40

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Solution

The fourth proportional to 1,048,196.80, 1,568,666.40 and 627,774.40 is: 939,488.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,196.80 : 1,568,666.40 = 627,774.40 : x
  2. Step 2: Convert to fraction form
    1,048,196.80/1,568,666.40 = 627,774.40/x
  3. Step 3: Cross multiply
    1,048,196.80x = 1,568,666.40 × 627,774.40
  4. Step 4: Simplify right side
    1,048,196.80x = 984,768,608,060.16
  5. Step 5: Solve for x
    x = 984,768,608,060.16/1,048,196.80
  6. Step 6: Final answer
    x = 939,488.28

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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.