Home / 961,009.98-1,326,136.89-531,264.48

Finding the Fourth Proportional to 961,009.98, 1,326,136.89 and 531,264.48

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Solution

The fourth proportional to 961,009.98, 1,326,136.89 and 531,264.48 is: 733,113.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,009.98 : 1,326,136.89 = 531,264.48 : x
  2. Step 2: Convert to fraction form
    961,009.98/1,326,136.89 = 531,264.48/x
  3. Step 3: Cross multiply
    961,009.98x = 1,326,136.89 × 531,264.48
  4. Step 4: Simplify right side
    961,009.98x = 704,529,425,274.67
  5. Step 5: Solve for x
    x = 704,529,425,274.67/961,009.98
  6. Step 6: Final answer
    x = 733,113.54

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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.