Home / 1,012,173.80-1,518,276.90-264,219.80

Finding the Fourth Proportional to 1,012,173.80, 1,518,276.90 and 264,219.80

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Solution

The fourth proportional to 1,012,173.80, 1,518,276.90 and 264,219.80 is: 396,333.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,173.80 : 1,518,276.90 = 264,219.80 : x
  2. Step 2: Convert to fraction form
    1,012,173.80/1,518,276.90 = 264,219.80/x
  3. Step 3: Cross multiply
    1,012,173.80x = 1,518,276.90 × 264,219.80
  4. Step 4: Simplify right side
    1,012,173.80x = 401,158,818,862.62
  5. Step 5: Solve for x
    x = 401,158,818,862.62/1,012,173.80
  6. Step 6: Final answer
    x = 396,333.93

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Double scale
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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.