Home / 884,051.70-1,326,077.55-579,621.30

Finding the Fourth Proportional to 884,051.70, 1,326,077.55 and 579,621.30

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Solution

The fourth proportional to 884,051.70, 1,326,077.55 and 579,621.30 is: 869,431.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,051.70 : 1,326,077.55 = 579,621.30 : x
  2. Step 2: Convert to fraction form
    884,051.70/1,326,077.55 = 579,621.30/x
  3. Step 3: Cross multiply
    884,051.70x = 1,326,077.55 × 579,621.30
  4. Step 4: Simplify right side
    884,051.70x = 768,622,793,431.82
  5. Step 5: Solve for x
    x = 768,622,793,431.82/884,051.70
  6. Step 6: Final answer
    x = 869,431.95

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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.