Home / 918,245.70-1,377,368.55-544,997.70

Finding the Fourth Proportional to 918,245.70, 1,377,368.55 and 544,997.70

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Solution

The fourth proportional to 918,245.70, 1,377,368.55 and 544,997.70 is: 817,496.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,245.70 : 1,377,368.55 = 544,997.70 : x
  2. Step 2: Convert to fraction form
    918,245.70/1,377,368.55 = 544,997.70/x
  3. Step 3: Cross multiply
    918,245.70x = 1,377,368.55 × 544,997.70
  4. Step 4: Simplify right side
    918,245.70x = 750,662,691,802.34
  5. Step 5: Solve for x
    x = 750,662,691,802.34/918,245.70
  6. Step 6: Final answer
    x = 817,496.55

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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.