Home / 699,043.40-1,047,009.90-574,627.40

Finding the Fourth Proportional to 699,043.40, 1,047,009.90 and 574,627.40

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Solution

The fourth proportional to 699,043.40, 1,047,009.90 and 574,627.40 is: 860,662.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,043.40 : 1,047,009.90 = 574,627.40 : x
  2. Step 2: Convert to fraction form
    699,043.40/1,047,009.90 = 574,627.40/x
  3. Step 3: Cross multiply
    699,043.40x = 1,047,009.90 × 574,627.40
  4. Step 4: Simplify right side
    699,043.40x = 601,640,576,611.26
  5. Step 5: Solve for x
    x = 601,640,576,611.26/699,043.40
  6. Step 6: Final answer
    x = 860,662.70

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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.