Home / 698,577.31-1,047,864.60-193,137.01

Finding the Fourth Proportional to 698,577.31, 1,047,864.60 and 193,137.01

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Solution

The fourth proportional to 698,577.31, 1,047,864.60 and 193,137.01 is: 289,705.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,577.31 : 1,047,864.60 = 193,137.01 : x
  2. Step 2: Convert to fraction form
    698,577.31/1,047,864.60 = 193,137.01/x
  3. Step 3: Cross multiply
    698,577.31x = 1,047,864.60 × 193,137.01
  4. Step 4: Simplify right side
    698,577.31x = 202,381,433,109.19
  5. Step 5: Solve for x
    x = 202,381,433,109.19/698,577.31
  6. Step 6: Final answer
    x = 289,705.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.