Home / 698,777.46-964,307.97-396,971.46

Finding the Fourth Proportional to 698,777.46, 964,307.97 and 396,971.46

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Solution

The fourth proportional to 698,777.46, 964,307.97 and 396,971.46 is: 547,817.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,777.46 : 964,307.97 = 396,971.46 : x
  2. Step 2: Convert to fraction form
    698,777.46/964,307.97 = 396,971.46/x
  3. Step 3: Cross multiply
    698,777.46x = 964,307.97 × 396,971.46
  4. Step 4: Simplify right side
    698,777.46x = 382,802,742,740.54
  5. Step 5: Solve for x
    x = 382,802,742,740.54/698,777.46
  6. Step 6: Final answer
    x = 547,817.82

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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.