Home / 697,280.21-1,045,782.58-191,710.81

Finding the Fourth Proportional to 697,280.21, 1,045,782.58 and 191,710.81

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Solution

The fourth proportional to 697,280.21, 1,045,782.58 and 191,710.81 is: 287,528.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,280.21 : 1,045,782.58 = 191,710.81 : x
  2. Step 2: Convert to fraction form
    697,280.21/1,045,782.58 = 191,710.81/x
  3. Step 3: Cross multiply
    697,280.21x = 1,045,782.58 × 191,710.81
  4. Step 4: Simplify right side
    697,280.21x = 200,487,825,495.69
  5. Step 5: Solve for x
    x = 200,487,825,495.69/697,280.21
  6. Step 6: Final answer
    x = 287,528.35

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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.