Home / 697,706.06-1,046,526.28-409,678.16

Finding the Fourth Proportional to 697,706.06, 1,046,526.28 and 409,678.16

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Solution

The fourth proportional to 697,706.06, 1,046,526.28 and 409,678.16 is: 614,497.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,706.06 : 1,046,526.28 = 409,678.16 : x
  2. Step 2: Convert to fraction form
    697,706.06/1,046,526.28 = 409,678.16/x
  3. Step 3: Cross multiply
    697,706.06x = 1,046,526.28 × 409,678.16
  4. Step 4: Simplify right side
    697,706.06x = 428,738,954,525.22
  5. Step 5: Solve for x
    x = 428,738,954,525.22/697,706.06
  6. Step 6: Final answer
    x = 614,497.97

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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.