Home / 612,094.20-918,141.30-493,996.20

Finding the Fourth Proportional to 612,094.20, 918,141.30 and 493,996.20

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Solution

The fourth proportional to 612,094.20, 918,141.30 and 493,996.20 is: 740,994.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,094.20 : 918,141.30 = 493,996.20 : x
  2. Step 2: Convert to fraction form
    612,094.20/918,141.30 = 493,996.20/x
  3. Step 3: Cross multiply
    612,094.20x = 918,141.30 × 493,996.20
  4. Step 4: Simplify right side
    612,094.20x = 453,558,313,263.06
  5. Step 5: Solve for x
    x = 453,558,313,263.06/612,094.20
  6. Step 6: Final answer
    x = 740,994.30

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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.