Home / 697,678.56-1,046,330.46-192,119.16

Finding the Fourth Proportional to 697,678.56, 1,046,330.46 and 192,119.16

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Solution

The fourth proportional to 697,678.56, 1,046,330.46 and 192,119.16 is: 288,127.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,678.56 : 1,046,330.46 = 192,119.16 : x
  2. Step 2: Convert to fraction form
    697,678.56/1,046,330.46 = 192,119.16/x
  3. Step 3: Cross multiply
    697,678.56x = 1,046,330.46 × 192,119.16
  4. Step 4: Simplify right side
    697,678.56x = 201,020,129,057.61
  5. Step 5: Solve for x
    x = 201,020,129,057.61/697,678.56
  6. Step 6: Final answer
    x = 288,127.14

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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.