Home / 1,240,120.84-1,711,234.56-696,316

Finding the Fourth Proportional to 1,240,120.84, 1,711,234.56 and 696,316

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Solution

The fourth proportional to 1,240,120.84, 1,711,234.56 and 696,316 is: 960,841.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,120.84 : 1,711,234.56 = 696,316 : x
  2. Step 2: Convert to fraction form
    1,240,120.84/1,711,234.56 = 696,316/x
  3. Step 3: Cross multiply
    1,240,120.84x = 1,711,234.56 × 696,316
  4. Step 4: Simplify right side
    1,240,120.84x = 1,191,560,003,880.96
  5. Step 5: Solve for x
    x = 1,191,560,003,880.96/1,240,120.84
  6. Step 6: Final answer
    x = 960,841.85

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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.