Home / 838,858.20-1,157,638.14-456,892.44

Finding the Fourth Proportional to 838,858.20, 1,157,638.14 and 456,892.44

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Solution

The fourth proportional to 838,858.20, 1,157,638.14 and 456,892.44 is: 630,519.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,858.20 : 1,157,638.14 = 456,892.44 : x
  2. Step 2: Convert to fraction form
    838,858.20/1,157,638.14 = 456,892.44/x
  3. Step 3: Cross multiply
    838,858.20x = 1,157,638.14 × 456,892.44
  4. Step 4: Simplify right side
    838,858.20x = 528,916,114,421.66
  5. Step 5: Solve for x
    x = 528,916,114,421.66/838,858.20
  6. Step 6: Final answer
    x = 630,519.10

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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.