Home / 740,010.01-1,021,250.59-449,623.77

Finding the Fourth Proportional to 740,010.01, 1,021,250.59 and 449,623.77

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Solution

The fourth proportional to 740,010.01, 1,021,250.59 and 449,623.77 is: 620,503.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,010.01 : 1,021,250.59 = 449,623.77 : x
  2. Step 2: Convert to fraction form
    740,010.01/1,021,250.59 = 449,623.77/x
  3. Step 3: Cross multiply
    740,010.01x = 1,021,250.59 × 449,623.77
  4. Step 4: Simplify right side
    740,010.01x = 459,178,538,142.41
  5. Step 5: Solve for x
    x = 459,178,538,142.41/740,010.01
  6. Step 6: Final answer
    x = 620,503.14

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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.