Home / 819,383.04-1,229,454.72-346,178.88

Finding the Fourth Proportional to 819,383.04, 1,229,454.72 and 346,178.88

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Solution

The fourth proportional to 819,383.04, 1,229,454.72 and 346,178.88 is: 519,428.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,383.04 : 1,229,454.72 = 346,178.88 : x
  2. Step 2: Convert to fraction form
    819,383.04/1,229,454.72 = 346,178.88/x
  3. Step 3: Cross multiply
    819,383.04x = 1,229,454.72 × 346,178.88
  4. Step 4: Simplify right side
    819,383.04x = 425,611,257,980.31
  5. Step 5: Solve for x
    x = 425,611,257,980.31/819,383.04
  6. Step 6: Final answer
    x = 519,428.93

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.