Home / 875,786.45-1,314,269.24-307,172.82

Finding the Fourth Proportional to 875,786.45, 1,314,269.24 and 307,172.82

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Solution

The fourth proportional to 875,786.45, 1,314,269.24 and 307,172.82 is: 460,966.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,786.45 : 1,314,269.24 = 307,172.82 : x
  2. Step 2: Convert to fraction form
    875,786.45/1,314,269.24 = 307,172.82/x
  3. Step 3: Cross multiply
    875,786.45x = 1,314,269.24 × 307,172.82
  4. Step 4: Simplify right side
    875,786.45x = 403,707,787,154.19
  5. Step 5: Solve for x
    x = 403,707,787,154.19/875,786.45
  6. Step 6: Final answer
    x = 460,966.01

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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.