Home / 1,845,356.30-2,768,034.45-515,660.30

Finding the Fourth Proportional to 1,845,356.30, 2,768,034.45 and 515,660.30

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Solution

The fourth proportional to 1,845,356.30, 2,768,034.45 and 515,660.30 is: 773,490.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845,356.30 : 2,768,034.45 = 515,660.30 : x
  2. Step 2: Convert to fraction form
    1,845,356.30/2,768,034.45 = 515,660.30/x
  3. Step 3: Cross multiply
    1,845,356.30x = 2,768,034.45 × 515,660.30
  4. Step 4: Simplify right side
    1,845,356.30x = 1,427,365,474,897.34
  5. Step 5: Solve for x
    x = 1,427,365,474,897.34/1,845,356.30
  6. Step 6: Final answer
    x = 773,490.45

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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.