Home / 814,143.42-1,123,587.18-451,684.08

Finding the Fourth Proportional to 814,143.42, 1,123,587.18 and 451,684.08

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Solution

The fourth proportional to 814,143.42, 1,123,587.18 and 451,684.08 is: 623,362.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,143.42 : 1,123,587.18 = 451,684.08 : x
  2. Step 2: Convert to fraction form
    814,143.42/1,123,587.18 = 451,684.08/x
  3. Step 3: Cross multiply
    814,143.42x = 1,123,587.18 × 451,684.08
  4. Step 4: Simplify right side
    814,143.42x = 507,506,441,698.09
  5. Step 5: Solve for x
    x = 507,506,441,698.09/814,143.42
  6. Step 6: Final answer
    x = 623,362.46

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Double scale
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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.