Home / 930,752.89-1,284,299.07-522,776.54

Finding the Fourth Proportional to 930,752.89, 1,284,299.07 and 522,776.54

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Solution

The fourth proportional to 930,752.89, 1,284,299.07 and 522,776.54 is: 721,353.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,752.89 : 1,284,299.07 = 522,776.54 : x
  2. Step 2: Convert to fraction form
    930,752.89/1,284,299.07 = 522,776.54/x
  3. Step 3: Cross multiply
    930,752.89x = 1,284,299.07 × 522,776.54
  4. Step 4: Simplify right side
    930,752.89x = 671,401,424,139.82
  5. Step 5: Solve for x
    x = 671,401,424,139.82/930,752.89
  6. Step 6: Final answer
    x = 721,353.04

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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.