Home / 838,815.84-1,157,579.07-456,842.34

Finding the Fourth Proportional to 838,815.84, 1,157,579.07 and 456,842.34

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Solution

The fourth proportional to 838,815.84, 1,157,579.07 and 456,842.34 is: 630,449.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,815.84 : 1,157,579.07 = 456,842.34 : x
  2. Step 2: Convert to fraction form
    838,815.84/1,157,579.07 = 456,842.34/x
  3. Step 3: Cross multiply
    838,815.84x = 1,157,579.07 × 456,842.34
  4. Step 4: Simplify right side
    838,815.84x = 528,831,131,073.82
  5. Step 5: Solve for x
    x = 528,831,131,073.82/838,815.84
  6. Step 6: Final answer
    x = 630,449.62

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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.