Home / 916,601.60-1,374,902.40-636,665.60

Finding the Fourth Proportional to 916,601.60, 1,374,902.40 and 636,665.60

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Solution

The fourth proportional to 916,601.60, 1,374,902.40 and 636,665.60 is: 954,998.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,601.60 : 1,374,902.40 = 636,665.60 : x
  2. Step 2: Convert to fraction form
    916,601.60/1,374,902.40 = 636,665.60/x
  3. Step 3: Cross multiply
    916,601.60x = 1,374,902.40 × 636,665.60
  4. Step 4: Simplify right side
    916,601.60x = 875,353,061,437.44
  5. Step 5: Solve for x
    x = 875,353,061,437.44/916,601.60
  6. Step 6: Final answer
    x = 954,998.40

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Half scale
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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.