Home / 826,356.45-1,140,374.10-458,834.27

Finding the Fourth Proportional to 826,356.45, 1,140,374.10 and 458,834.27

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Solution

The fourth proportional to 826,356.45, 1,140,374.10 and 458,834.27 is: 633,192.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,356.45 : 1,140,374.10 = 458,834.27 : x
  2. Step 2: Convert to fraction form
    826,356.45/1,140,374.10 = 458,834.27/x
  3. Step 3: Cross multiply
    826,356.45x = 1,140,374.10 × 458,834.27
  4. Step 4: Simplify right side
    826,356.45x = 523,242,717,700.41
  5. Step 5: Solve for x
    x = 523,242,717,700.41/826,356.45
  6. Step 6: Final answer
    x = 633,192.51

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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.