Home / 1,276,722.61-1,915,541.36-546,939.69

Finding the Fourth Proportional to 1,276,722.61, 1,915,541.36 and 546,939.69

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Solution

The fourth proportional to 1,276,722.61, 1,915,541.36 and 546,939.69 is: 820,605.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,722.61 : 1,915,541.36 = 546,939.69 : x
  2. Step 2: Convert to fraction form
    1,276,722.61/1,915,541.36 = 546,939.69/x
  3. Step 3: Cross multiply
    1,276,722.61x = 1,915,541.36 × 546,939.69
  4. Step 4: Simplify right side
    1,276,722.61x = 1,047,685,600,528.54
  5. Step 5: Solve for x
    x = 1,047,685,600,528.54/1,276,722.61
  6. Step 6: Final answer
    x = 820,605.51

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.