Home / 893,985.50-1,233,700-491,577.50

Finding the Fourth Proportional to 893,985.50, 1,233,700 and 491,577.50

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Solution

The fourth proportional to 893,985.50, 1,233,700 and 491,577.50 is: 678,376.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,985.50 : 1,233,700 = 491,577.50 : x
  2. Step 2: Convert to fraction form
    893,985.50/1,233,700 = 491,577.50/x
  3. Step 3: Cross multiply
    893,985.50x = 1,233,700 × 491,577.50
  4. Step 4: Simplify right side
    893,985.50x = 606,459,161,750
  5. Step 5: Solve for x
    x = 606,459,161,750/893,985.50
  6. Step 6: Final answer
    x = 678,376.96

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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.