Home / 751,543.20-1,124,690.40-525,844.80

Finding the Fourth Proportional to 751,543.20, 1,124,690.40 and 525,844.80

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Solution

The fourth proportional to 751,543.20, 1,124,690.40 and 525,844.80 is: 786,930.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,543.20 : 1,124,690.40 = 525,844.80 : x
  2. Step 2: Convert to fraction form
    751,543.20/1,124,690.40 = 525,844.80/x
  3. Step 3: Cross multiply
    751,543.20x = 1,124,690.40 × 525,844.80
  4. Step 4: Simplify right side
    751,543.20x = 591,412,598,449.92
  5. Step 5: Solve for x
    x = 591,412,598,449.92/751,543.20
  6. Step 6: Final answer
    x = 786,930.94

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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.