Home / 884,056.70-1,326,085.05-579,626.30

Finding the Fourth Proportional to 884,056.70, 1,326,085.05 and 579,626.30

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Solution

The fourth proportional to 884,056.70, 1,326,085.05 and 579,626.30 is: 869,439.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,056.70 : 1,326,085.05 = 579,626.30 : x
  2. Step 2: Convert to fraction form
    884,056.70/1,326,085.05 = 579,626.30/x
  3. Step 3: Cross multiply
    884,056.70x = 1,326,085.05 × 579,626.30
  4. Step 4: Simplify right side
    884,056.70x = 768,633,771,016.82
  5. Step 5: Solve for x
    x = 768,633,771,016.82/884,056.70
  6. Step 6: Final answer
    x = 869,439.45

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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.