Home / 892,805.65-1,338,935.10-293,628.40

Finding the Fourth Proportional to 892,805.65, 1,338,935.10 and 293,628.40

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Solution

The fourth proportional to 892,805.65, 1,338,935.10 and 293,628.40 is: 440,352.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,805.65 : 1,338,935.10 = 293,628.40 : x
  2. Step 2: Convert to fraction form
    892,805.65/1,338,935.10 = 293,628.40/x
  3. Step 3: Cross multiply
    892,805.65x = 1,338,935.10 × 293,628.40
  4. Step 4: Simplify right side
    892,805.65x = 393,149,371,116.84
  5. Step 5: Solve for x
    x = 393,149,371,116.84/892,805.65
  6. Step 6: Final answer
    x = 440,352.69

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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.