Home / 828,415.56-1,142,938.48-675,190.56

Finding the Fourth Proportional to 828,415.56, 1,142,938.48 and 675,190.56

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Solution

The fourth proportional to 828,415.56, 1,142,938.48 and 675,190.56 is: 931,538.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,415.56 : 1,142,938.48 = 675,190.56 : x
  2. Step 2: Convert to fraction form
    828,415.56/1,142,938.48 = 675,190.56/x
  3. Step 3: Cross multiply
    828,415.56x = 1,142,938.48 × 675,190.56
  4. Step 4: Simplify right side
    828,415.56x = 771,701,272,356.75
  5. Step 5: Solve for x
    x = 771,701,272,356.75/828,415.56
  6. Step 6: Final answer
    x = 931,538.84

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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.