Home / 953,836.50-1,431,968.80-618,281.30

Finding the Fourth Proportional to 953,836.50, 1,431,968.80 and 618,281.30

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Solution

The fourth proportional to 953,836.50, 1,431,968.80 and 618,281.30 is: 928,208.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,836.50 : 1,431,968.80 = 618,281.30 : x
  2. Step 2: Convert to fraction form
    953,836.50/1,431,968.80 = 618,281.30/x
  3. Step 3: Cross multiply
    953,836.50x = 1,431,968.80 × 618,281.30
  4. Step 4: Simplify right side
    953,836.50x = 885,359,531,223.44
  5. Step 5: Solve for x
    x = 885,359,531,223.44/953,836.50
  6. Step 6: Final answer
    x = 928,208.90

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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.