Home / 679,368.63-1,019,220.02-337,973.28

Finding the Fourth Proportional to 679,368.63, 1,019,220.02 and 337,973.28

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Solution

The fourth proportional to 679,368.63, 1,019,220.02 and 337,973.28 is: 507,043.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,368.63 : 1,019,220.02 = 337,973.28 : x
  2. Step 2: Convert to fraction form
    679,368.63/1,019,220.02 = 337,973.28/x
  3. Step 3: Cross multiply
    679,368.63x = 1,019,220.02 × 337,973.28
  4. Step 4: Simplify right side
    679,368.63x = 344,469,131,511.20
  5. Step 5: Solve for x
    x = 344,469,131,511.20/679,368.63
  6. Step 6: Final answer
    x = 507,043.03

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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.