Home / 804,153.42-1,109,820.29-460,021.07

Finding the Fourth Proportional to 804,153.42, 1,109,820.29 and 460,021.07

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Solution

The fourth proportional to 804,153.42, 1,109,820.29 and 460,021.07 is: 634,879.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,153.42 : 1,109,820.29 = 460,021.07 : x
  2. Step 2: Convert to fraction form
    804,153.42/1,109,820.29 = 460,021.07/x
  3. Step 3: Cross multiply
    804,153.42x = 1,109,820.29 × 460,021.07
  4. Step 4: Simplify right side
    804,153.42x = 510,540,717,787.96
  5. Step 5: Solve for x
    x = 510,540,717,787.96/804,153.42
  6. Step 6: Final answer
    x = 634,879.74

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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.