Home / 834,681.80-1,252,022.70-243,705.80

Finding the Fourth Proportional to 834,681.80, 1,252,022.70 and 243,705.80

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Solution

The fourth proportional to 834,681.80, 1,252,022.70 and 243,705.80 is: 365,558.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,681.80 : 1,252,022.70 = 243,705.80 : x
  2. Step 2: Convert to fraction form
    834,681.80/1,252,022.70 = 243,705.80/x
  3. Step 3: Cross multiply
    834,681.80x = 1,252,022.70 × 243,705.80
  4. Step 4: Simplify right side
    834,681.80x = 305,125,193,721.66
  5. Step 5: Solve for x
    x = 305,125,193,721.66/834,681.80
  6. Step 6: Final answer
    x = 365,558.70

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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.