Home / 763,993.69-1,054,344.09-424,461.94

Finding the Fourth Proportional to 763,993.69, 1,054,344.09 and 424,461.94

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Solution

The fourth proportional to 763,993.69, 1,054,344.09 and 424,461.94 is: 585,775.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,993.69 : 1,054,344.09 = 424,461.94 : x
  2. Step 2: Convert to fraction form
    763,993.69/1,054,344.09 = 424,461.94/x
  3. Step 3: Cross multiply
    763,993.69x = 1,054,344.09 × 424,461.94
  4. Step 4: Simplify right side
    763,993.69x = 447,528,936,824.81
  5. Step 5: Solve for x
    x = 447,528,936,824.81/763,993.69
  6. Step 6: Final answer
    x = 585,775.70

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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.