Home / 779,588.44-1,075,832.22-421,892.44

Finding the Fourth Proportional to 779,588.44, 1,075,832.22 and 421,892.44

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Solution

The fourth proportional to 779,588.44, 1,075,832.22 and 421,892.44 is: 582,211.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,588.44 : 1,075,832.22 = 421,892.44 : x
  2. Step 2: Convert to fraction form
    779,588.44/1,075,832.22 = 421,892.44/x
  3. Step 3: Cross multiply
    779,588.44x = 1,075,832.22 × 421,892.44
  4. Step 4: Simplify right side
    779,588.44x = 453,885,480,326.42
  5. Step 5: Solve for x
    x = 453,885,480,326.42/779,588.44
  6. Step 6: Final answer
    x = 582,211.66

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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.