Home / 740,136.44-1,021,388.55-417,867.31

Finding the Fourth Proportional to 740,136.44, 1,021,388.55 and 417,867.31

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Solution

The fourth proportional to 740,136.44, 1,021,388.55 and 417,867.31 is: 576,657.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,136.44 : 1,021,388.55 = 417,867.31 : x
  2. Step 2: Convert to fraction form
    740,136.44/1,021,388.55 = 417,867.31/x
  3. Step 3: Cross multiply
    740,136.44x = 1,021,388.55 × 417,867.31
  4. Step 4: Simplify right side
    740,136.44x = 426,804,885,853.30
  5. Step 5: Solve for x
    x = 426,804,885,853.30/740,136.44
  6. Step 6: Final answer
    x = 576,657.04

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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.