Home / 894,713.19-1,234,709.52-486,817.89

Finding the Fourth Proportional to 894,713.19, 1,234,709.52 and 486,817.89

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Solution

The fourth proportional to 894,713.19, 1,234,709.52 and 486,817.89 is: 671,811.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,713.19 : 1,234,709.52 = 486,817.89 : x
  2. Step 2: Convert to fraction form
    894,713.19/1,234,709.52 = 486,817.89/x
  3. Step 3: Cross multiply
    894,713.19x = 1,234,709.52 × 486,817.89
  4. Step 4: Simplify right side
    894,713.19x = 601,078,683,289.31
  5. Step 5: Solve for x
    x = 601,078,683,289.31/894,713.19
  6. Step 6: Final answer
    x = 671,811.58

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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.