Home / 838,494.84-1,157,091.84-456,513.96

Finding the Fourth Proportional to 838,494.84, 1,157,091.84 and 456,513.96

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Solution

The fourth proportional to 838,494.84, 1,157,091.84 and 456,513.96 is: 629,972.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,494.84 : 1,157,091.84 = 456,513.96 : x
  2. Step 2: Convert to fraction form
    838,494.84/1,157,091.84 = 456,513.96/x
  3. Step 3: Cross multiply
    838,494.84x = 1,157,091.84 × 456,513.96
  4. Step 4: Simplify right side
    838,494.84x = 528,228,577,962.09
  5. Step 5: Solve for x
    x = 528,228,577,962.09/838,494.84
  6. Step 6: Final answer
    x = 629,972.37

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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.