Home / 838,424.40-1,156,987.40-456,450.26

Finding the Fourth Proportional to 838,424.40, 1,156,987.40 and 456,450.26

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Solution

The fourth proportional to 838,424.40, 1,156,987.40 and 456,450.26 is: 629,880.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,424.40 : 1,156,987.40 = 456,450.26 : x
  2. Step 2: Convert to fraction form
    838,424.40/1,156,987.40 = 456,450.26/x
  3. Step 3: Cross multiply
    838,424.40x = 1,156,987.40 × 456,450.26
  4. Step 4: Simplify right side
    838,424.40x = 528,107,199,546.72
  5. Step 5: Solve for x
    x = 528,107,199,546.72/838,424.40
  6. Step 6: Final answer
    x = 629,880.52

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Double scale
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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.