Home / 1,074,106.38-1,611,159.48-511,435.02

Finding the Fourth Proportional to 1,074,106.38, 1,611,159.48 and 511,435.02

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Solution

The fourth proportional to 1,074,106.38, 1,611,159.48 and 511,435.02 is: 767,152.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,106.38 : 1,611,159.48 = 511,435.02 : x
  2. Step 2: Convert to fraction form
    1,074,106.38/1,611,159.48 = 511,435.02/x
  3. Step 3: Cross multiply
    1,074,106.38x = 1,611,159.48 × 511,435.02
  4. Step 4: Simplify right side
    1,074,106.38x = 824,003,380,876.99
  5. Step 5: Solve for x
    x = 824,003,380,876.99/1,074,106.38
  6. Step 6: Final answer
    x = 767,152.49

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Double scale
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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.