Home / 683,998.98-1,026,108.72-210,684.12

Finding the Fourth Proportional to 683,998.98, 1,026,108.72 and 210,684.12

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Solution

The fourth proportional to 683,998.98, 1,026,108.72 and 210,684.12 is: 316,060.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,998.98 : 1,026,108.72 = 210,684.12 : x
  2. Step 2: Convert to fraction form
    683,998.98/1,026,108.72 = 210,684.12/x
  3. Step 3: Cross multiply
    683,998.98x = 1,026,108.72 × 210,684.12
  4. Step 4: Simplify right side
    683,998.98x = 216,184,812,697.53
  5. Step 5: Solve for x
    x = 216,184,812,697.53/683,998.98
  6. Step 6: Final answer
    x = 316,060.14

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1.5x scale

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.