Home / 697,643.10-1,046,464.65-688,311.90

Finding the Fourth Proportional to 697,643.10, 1,046,464.65 and 688,311.90

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Solution

The fourth proportional to 697,643.10, 1,046,464.65 and 688,311.90 is: 1,032,467.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,643.10 : 1,046,464.65 = 688,311.90 : x
  2. Step 2: Convert to fraction form
    697,643.10/1,046,464.65 = 688,311.90/x
  3. Step 3: Cross multiply
    697,643.10x = 1,046,464.65 × 688,311.90
  4. Step 4: Simplify right side
    697,643.10x = 720,294,071,524.34
  5. Step 5: Solve for x
    x = 720,294,071,524.34/697,643.10
  6. Step 6: Final answer
    x = 1,032,467.85

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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.