Home / 1,543,817.88-2,130,580.87-932,119.45

Finding the Fourth Proportional to 1,543,817.88, 2,130,580.87 and 932,119.45

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Solution

The fourth proportional to 1,543,817.88, 2,130,580.87 and 932,119.45 is: 1,286,392.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,817.88 : 2,130,580.87 = 932,119.45 : x
  2. Step 2: Convert to fraction form
    1,543,817.88/2,130,580.87 = 932,119.45/x
  3. Step 3: Cross multiply
    1,543,817.88x = 2,130,580.87 × 932,119.45
  4. Step 4: Simplify right side
    1,543,817.88x = 1,985,955,861,068.17
  5. Step 5: Solve for x
    x = 1,985,955,861,068.17/1,543,817.88
  6. Step 6: Final answer
    x = 1,286,392.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.