Home / 837,090.02-1,155,195.60-455,115.89

Finding the Fourth Proportional to 837,090.02, 1,155,195.60 and 455,115.89

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Solution

The fourth proportional to 837,090.02, 1,155,195.60 and 455,115.89 is: 628,066.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,090.02 : 1,155,195.60 = 455,115.89 : x
  2. Step 2: Convert to fraction form
    837,090.02/1,155,195.60 = 455,115.89/x
  3. Step 3: Cross multiply
    837,090.02x = 1,155,195.60 × 455,115.89
  4. Step 4: Simplify right side
    837,090.02x = 525,747,873,618.08
  5. Step 5: Solve for x
    x = 525,747,873,618.08/837,090.02
  6. Step 6: Final answer
    x = 628,066.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.