Home / 1,256,101.70-1,884,152.54-546,129.74

Finding the Fourth Proportional to 1,256,101.70, 1,884,152.54 and 546,129.74

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Solution

The fourth proportional to 1,256,101.70, 1,884,152.54 and 546,129.74 is: 819,194.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,101.70 : 1,884,152.54 = 546,129.74 : x
  2. Step 2: Convert to fraction form
    1,256,101.70/1,884,152.54 = 546,129.74/x
  3. Step 3: Cross multiply
    1,256,101.70x = 1,884,152.54 × 546,129.74
  4. Step 4: Simplify right side
    1,256,101.70x = 1,028,991,742,866.25
  5. Step 5: Solve for x
    x = 1,028,991,742,866.25/1,256,101.70
  6. Step 6: Final answer
    x = 819,194.61

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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.