Home / 980,259.86-1,470,965.31-411,597.24

Finding the Fourth Proportional to 980,259.86, 1,470,965.31 and 411,597.24

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Solution

The fourth proportional to 980,259.86, 1,470,965.31 and 411,597.24 is: 617,637.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,259.86 : 1,470,965.31 = 411,597.24 : x
  2. Step 2: Convert to fraction form
    980,259.86/1,470,965.31 = 411,597.24/x
  3. Step 3: Cross multiply
    980,259.86x = 1,470,965.31 × 411,597.24
  4. Step 4: Simplify right side
    980,259.86x = 605,445,256,215.63
  5. Step 5: Solve for x
    x = 605,445,256,215.63/980,259.86
  6. Step 6: Final answer
    x = 617,637.51

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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.