Home / 869,863.80-1,304,795.70-604,143.30

Finding the Fourth Proportional to 869,863.80, 1,304,795.70 and 604,143.30

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Solution

The fourth proportional to 869,863.80, 1,304,795.70 and 604,143.30 is: 906,214.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,863.80 : 1,304,795.70 = 604,143.30 : x
  2. Step 2: Convert to fraction form
    869,863.80/1,304,795.70 = 604,143.30/x
  3. Step 3: Cross multiply
    869,863.80x = 1,304,795.70 × 604,143.30
  4. Step 4: Simplify right side
    869,863.80x = 788,283,580,023.81
  5. Step 5: Solve for x
    x = 788,283,580,023.81/869,863.80
  6. Step 6: Final answer
    x = 906,214.95

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Double scale
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Similar ratio
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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.