Home / 939,079.54-1,294,902.72-697,809.70

Finding the Fourth Proportional to 939,079.54, 1,294,902.72 and 697,809.70

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Solution

The fourth proportional to 939,079.54, 1,294,902.72 and 697,809.70 is: 962,214.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,079.54 : 1,294,902.72 = 697,809.70 : x
  2. Step 2: Convert to fraction form
    939,079.54/1,294,902.72 = 697,809.70/x
  3. Step 3: Cross multiply
    939,079.54x = 1,294,902.72 × 697,809.70
  4. Step 4: Simplify right side
    939,079.54x = 903,595,678,572.38
  5. Step 5: Solve for x
    x = 903,595,678,572.38/939,079.54
  6. Step 6: Final answer
    x = 962,214.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.