Home / 812,793.04-1,121,602.48-468,611.12

Finding the Fourth Proportional to 812,793.04, 1,121,602.48 and 468,611.12

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Solution

The fourth proportional to 812,793.04, 1,121,602.48 and 468,611.12 is: 646,653.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,793.04 : 1,121,602.48 = 468,611.12 : x
  2. Step 2: Convert to fraction form
    812,793.04/1,121,602.48 = 468,611.12/x
  3. Step 3: Cross multiply
    812,793.04x = 1,121,602.48 × 468,611.12
  4. Step 4: Simplify right side
    812,793.04x = 525,595,394,347.58
  5. Step 5: Solve for x
    x = 525,595,394,347.58/812,793.04
  6. Step 6: Final answer
    x = 646,653.41

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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.