Home / 697,113.76-1,045,211.76-459,732.64

Finding the Fourth Proportional to 697,113.76, 1,045,211.76 and 459,732.64

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Solution

The fourth proportional to 697,113.76, 1,045,211.76 and 459,732.64 is: 689,296.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,113.76 : 1,045,211.76 = 459,732.64 : x
  2. Step 2: Convert to fraction form
    697,113.76/1,045,211.76 = 459,732.64/x
  3. Step 3: Cross multiply
    697,113.76x = 1,045,211.76 × 459,732.64
  4. Step 4: Simplify right side
    697,113.76x = 480,517,961,783.85
  5. Step 5: Solve for x
    x = 480,517,961,783.85/697,113.76
  6. Step 6: Final answer
    x = 689,296.34

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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.