Home / 916,574.60-1,374,861.90-496,670.60

Finding the Fourth Proportional to 916,574.60, 1,374,861.90 and 496,670.60

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Solution

The fourth proportional to 916,574.60, 1,374,861.90 and 496,670.60 is: 745,005.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,574.60 : 1,374,861.90 = 496,670.60 : x
  2. Step 2: Convert to fraction form
    916,574.60/1,374,861.90 = 496,670.60/x
  3. Step 3: Cross multiply
    916,574.60x = 1,374,861.90 × 496,670.60
  4. Step 4: Simplify right side
    916,574.60x = 682,853,484,790.14
  5. Step 5: Solve for x
    x = 682,853,484,790.14/916,574.60
  6. Step 6: Final answer
    x = 745,005.90

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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.