Home / 677,902.02-933,708.96-505,266.74

Finding the Fourth Proportional to 677,902.02, 933,708.96 and 505,266.74

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Solution

The fourth proportional to 677,902.02, 933,708.96 and 505,266.74 is: 695,929.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,902.02 : 933,708.96 = 505,266.74 : x
  2. Step 2: Convert to fraction form
    677,902.02/933,708.96 = 505,266.74/x
  3. Step 3: Cross multiply
    677,902.02x = 933,708.96 × 505,266.74
  4. Step 4: Simplify right side
    677,902.02x = 471,772,082,327.99
  5. Step 5: Solve for x
    x = 471,772,082,327.99/677,902.02
  6. Step 6: Final answer
    x = 695,929.60

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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.