Home / 841,388.96-1,161,118.20-459,407.60

Finding the Fourth Proportional to 841,388.96, 1,161,118.20 and 459,407.60

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Solution

The fourth proportional to 841,388.96, 1,161,118.20 and 459,407.60 is: 633,983.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,388.96 : 1,161,118.20 = 459,407.60 : x
  2. Step 2: Convert to fraction form
    841,388.96/1,161,118.20 = 459,407.60/x
  3. Step 3: Cross multiply
    841,388.96x = 1,161,118.20 × 459,407.60
  4. Step 4: Simplify right side
    841,388.96x = 533,426,525,578.32
  5. Step 5: Solve for x
    x = 533,426,525,578.32/841,388.96
  6. Step 6: Final answer
    x = 633,983.27

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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.