Home / 1,533,818.70-2,116,828.08-922,171.50

Finding the Fourth Proportional to 1,533,818.70, 2,116,828.08 and 922,171.50

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Solution

The fourth proportional to 1,533,818.70, 2,116,828.08 and 922,171.50 is: 1,272,691.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533,818.70 : 2,116,828.08 = 922,171.50 : x
  2. Step 2: Convert to fraction form
    1,533,818.70/2,116,828.08 = 922,171.50/x
  3. Step 3: Cross multiply
    1,533,818.70x = 2,116,828.08 × 922,171.50
  4. Step 4: Simplify right side
    1,533,818.70x = 1,952,078,525,775.72
  5. Step 5: Solve for x
    x = 1,952,078,525,775.72/1,533,818.70
  6. Step 6: Final answer
    x = 1,272,691.83

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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.