Home / 814,391.04-1,123,994.54-451,931.33

Finding the Fourth Proportional to 814,391.04, 1,123,994.54 and 451,931.33

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Solution

The fourth proportional to 814,391.04, 1,123,994.54 and 451,931.33 is: 623,740.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,391.04 : 1,123,994.54 = 451,931.33 : x
  2. Step 2: Convert to fraction form
    814,391.04/1,123,994.54 = 451,931.33/x
  3. Step 3: Cross multiply
    814,391.04x = 1,123,994.54 × 451,931.33
  4. Step 4: Simplify right side
    814,391.04x = 507,968,347,374.94
  5. Step 5: Solve for x
    x = 507,968,347,374.94/814,391.04
  6. Step 6: Final answer
    x = 623,740.10

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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.