Home / 680,525.60-938,964.96-572,042.40

Finding the Fourth Proportional to 680,525.60, 938,964.96 and 572,042.40

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Solution

The fourth proportional to 680,525.60, 938,964.96 and 572,042.40 is: 789,283.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,525.60 : 938,964.96 = 572,042.40 : x
  2. Step 2: Convert to fraction form
    680,525.60/938,964.96 = 572,042.40/x
  3. Step 3: Cross multiply
    680,525.60x = 938,964.96 × 572,042.40
  4. Step 4: Simplify right side
    680,525.60x = 537,127,769,234.30
  5. Step 5: Solve for x
    x = 537,127,769,234.30/680,525.60
  6. Step 6: Final answer
    x = 789,283.71

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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.