Home / 904,115.80-1,354,205.40-548,509.60

Finding the Fourth Proportional to 904,115.80, 1,354,205.40 and 548,509.60

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Solution

The fourth proportional to 904,115.80, 1,354,205.40 and 548,509.60 is: 821,570.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,115.80 : 1,354,205.40 = 548,509.60 : x
  2. Step 2: Convert to fraction form
    904,115.80/1,354,205.40 = 548,509.60/x
  3. Step 3: Cross multiply
    904,115.80x = 1,354,205.40 × 548,509.60
  4. Step 4: Simplify right side
    904,115.80x = 742,794,662,271.84
  5. Step 5: Solve for x
    x = 742,794,662,271.84/904,115.80
  6. Step 6: Final answer
    x = 821,570.27

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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.