Home / 679,826.88-938,172.96-373,936.32

Finding the Fourth Proportional to 679,826.88, 938,172.96 and 373,936.32

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Solution

The fourth proportional to 679,826.88, 938,172.96 and 373,936.32 is: 516,038.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,826.88 : 938,172.96 = 373,936.32 : x
  2. Step 2: Convert to fraction form
    679,826.88/938,172.96 = 373,936.32/x
  3. Step 3: Cross multiply
    679,826.88x = 938,172.96 × 373,936.32
  4. Step 4: Simplify right side
    679,826.88x = 350,816,944,185.91
  5. Step 5: Solve for x
    x = 350,816,944,185.91/679,826.88
  6. Step 6: Final answer
    x = 516,038.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.