Home / 526,406.73-789,960.41-286,581.12

Finding the Fourth Proportional to 526,406.73, 789,960.41 and 286,581.12

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Solution

The fourth proportional to 526,406.73, 789,960.41 and 286,581.12 is: 430,062.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,406.73 : 789,960.41 = 286,581.12 : x
  2. Step 2: Convert to fraction form
    526,406.73/789,960.41 = 286,581.12/x
  3. Step 3: Cross multiply
    526,406.73x = 789,960.41 × 286,581.12
  4. Step 4: Simplify right side
    526,406.73x = 226,387,739,053.46
  5. Step 5: Solve for x
    x = 226,387,739,053.46/526,406.73
  6. Step 6: Final answer
    x = 430,062.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.