Home / 840,914.80-1,160,465.64-458,950

Finding the Fourth Proportional to 840,914.80, 1,160,465.64 and 458,950

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Solution

The fourth proportional to 840,914.80, 1,160,465.64 and 458,950 is: 633,352.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,914.80 : 1,160,465.64 = 458,950 : x
  2. Step 2: Convert to fraction form
    840,914.80/1,160,465.64 = 458,950/x
  3. Step 3: Cross multiply
    840,914.80x = 1,160,465.64 × 458,950
  4. Step 4: Simplify right side
    840,914.80x = 532,595,705,478.00
  5. Step 5: Solve for x
    x = 532,595,705,478.00/840,914.80
  6. Step 6: Final answer
    x = 633,352.76

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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.