Home / 826,770.79-1,140,905.12-459,271.74

Finding the Fourth Proportional to 826,770.79, 1,140,905.12 and 459,271.74

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Solution

The fourth proportional to 826,770.79, 1,140,905.12 and 459,271.74 is: 633,773.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,770.79 : 1,140,905.12 = 459,271.74 : x
  2. Step 2: Convert to fraction form
    826,770.79/1,140,905.12 = 459,271.74/x
  3. Step 3: Cross multiply
    826,770.79x = 1,140,905.12 × 459,271.74
  4. Step 4: Simplify right side
    826,770.79x = 523,985,479,637.31
  5. Step 5: Solve for x
    x = 523,985,479,637.31/826,770.79
  6. Step 6: Final answer
    x = 633,773.58

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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.