Home / 697,875.80-1,046,813.70-668,351.30

Finding the Fourth Proportional to 697,875.80, 1,046,813.70 and 668,351.30

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Solution

The fourth proportional to 697,875.80, 1,046,813.70 and 668,351.30 is: 1,002,526.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,875.80 : 1,046,813.70 = 668,351.30 : x
  2. Step 2: Convert to fraction form
    697,875.80/1,046,813.70 = 668,351.30/x
  3. Step 3: Cross multiply
    697,875.80x = 1,046,813.70 × 668,351.30
  4. Step 4: Simplify right side
    697,875.80x = 699,639,297,252.81
  5. Step 5: Solve for x
    x = 699,639,297,252.81/697,875.80
  6. Step 6: Final answer
    x = 1,002,526.95

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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.