Home / 1,253,721.20-1,881,810.60-623,346.80

Finding the Fourth Proportional to 1,253,721.20, 1,881,810.60 and 623,346.80

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Solution

The fourth proportional to 1,253,721.20, 1,881,810.60 and 623,346.80 is: 935,631.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,721.20 : 1,881,810.60 = 623,346.80 : x
  2. Step 2: Convert to fraction form
    1,253,721.20/1,881,810.60 = 623,346.80/x
  3. Step 3: Cross multiply
    1,253,721.20x = 1,881,810.60 × 623,346.80
  4. Step 4: Simplify right side
    1,253,721.20x = 1,173,020,615,716.08
  5. Step 5: Solve for x
    x = 1,173,020,615,716.08/1,253,721.20
  6. Step 6: Final answer
    x = 935,631.16

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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.