Home / 996,923.30-1,495,384.95-518,626.40

Finding the Fourth Proportional to 996,923.30, 1,495,384.95 and 518,626.40

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Solution

The fourth proportional to 996,923.30, 1,495,384.95 and 518,626.40 is: 777,939.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,923.30 : 1,495,384.95 = 518,626.40 : x
  2. Step 2: Convert to fraction form
    996,923.30/1,495,384.95 = 518,626.40/x
  3. Step 3: Cross multiply
    996,923.30x = 1,495,384.95 × 518,626.40
  4. Step 4: Simplify right side
    996,923.30x = 775,546,113,232.68
  5. Step 5: Solve for x
    x = 775,546,113,232.68/996,923.30
  6. Step 6: Final answer
    x = 777,939.60

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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.