Home / 896,923.63-1,237,764.29-489,022.17

Finding the Fourth Proportional to 896,923.63, 1,237,764.29 and 489,022.17

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Solution

The fourth proportional to 896,923.63, 1,237,764.29 and 489,022.17 is: 674,855.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,923.63 : 1,237,764.29 = 489,022.17 : x
  2. Step 2: Convert to fraction form
    896,923.63/1,237,764.29 = 489,022.17/x
  3. Step 3: Cross multiply
    896,923.63x = 1,237,764.29 × 489,022.17
  4. Step 4: Simplify right side
    896,923.63x = 605,294,172,855.49
  5. Step 5: Solve for x
    x = 605,294,172,855.49/896,923.63
  6. Step 6: Final answer
    x = 674,855.87

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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.