Home / 740,110.52-1,021,371.18-453,788.48

Finding the Fourth Proportional to 740,110.52, 1,021,371.18 and 453,788.48

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Solution

The fourth proportional to 740,110.52, 1,021,371.18 and 453,788.48 is: 626,239.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,110.52 : 1,021,371.18 = 453,788.48 : x
  2. Step 2: Convert to fraction form
    740,110.52/1,021,371.18 = 453,788.48/x
  3. Step 3: Cross multiply
    740,110.52x = 1,021,371.18 × 453,788.48
  4. Step 4: Simplify right side
    740,110.52x = 463,486,475,288.01
  5. Step 5: Solve for x
    x = 463,486,475,288.01/740,110.52
  6. Step 6: Final answer
    x = 626,239.54

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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.