Home / 692,059.87-1,036,630.59-439,207.03

Finding the Fourth Proportional to 692,059.87, 1,036,630.59 and 439,207.03

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Solution

The fourth proportional to 692,059.87, 1,036,630.59 and 439,207.03 is: 657,884.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,059.87 : 1,036,630.59 = 439,207.03 : x
  2. Step 2: Convert to fraction form
    692,059.87/1,036,630.59 = 439,207.03/x
  3. Step 3: Cross multiply
    692,059.87x = 1,036,630.59 × 439,207.03
  4. Step 4: Simplify right side
    692,059.87x = 455,295,442,641.05
  5. Step 5: Solve for x
    x = 455,295,442,641.05/692,059.87
  6. Step 6: Final answer
    x = 657,884.47

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1.5x scale

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.