Home / 841,390.48-1,161,114.27-459,414.53

Finding the Fourth Proportional to 841,390.48, 1,161,114.27 and 459,414.53

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Solution

The fourth proportional to 841,390.48, 1,161,114.27 and 459,414.53 is: 633,989.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,390.48 : 1,161,114.27 = 459,414.53 : x
  2. Step 2: Convert to fraction form
    841,390.48/1,161,114.27 = 459,414.53/x
  3. Step 3: Cross multiply
    841,390.48x = 1,161,114.27 × 459,414.53
  4. Step 4: Simplify right side
    841,390.48x = 533,432,766,628.34
  5. Step 5: Solve for x
    x = 533,432,766,628.34/841,390.48
  6. Step 6: Final answer
    x = 633,989.54

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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.