Home / 692,765.80-1,039,148.70-598,287.40

Finding the Fourth Proportional to 692,765.80, 1,039,148.70 and 598,287.40

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Solution

The fourth proportional to 692,765.80, 1,039,148.70 and 598,287.40 is: 897,431.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,765.80 : 1,039,148.70 = 598,287.40 : x
  2. Step 2: Convert to fraction form
    692,765.80/1,039,148.70 = 598,287.40/x
  3. Step 3: Cross multiply
    692,765.80x = 1,039,148.70 × 598,287.40
  4. Step 4: Simplify right side
    692,765.80x = 621,709,573,936.38
  5. Step 5: Solve for x
    x = 621,709,573,936.38/692,765.80
  6. Step 6: Final answer
    x = 897,431.10

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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.