Home / 1,247,483.30-1,721,528.17-674,523.32

Finding the Fourth Proportional to 1,247,483.30, 1,721,528.17 and 674,523.32

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Solution

The fourth proportional to 1,247,483.30, 1,721,528.17 and 674,523.32 is: 930,842.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,483.30 : 1,721,528.17 = 674,523.32 : x
  2. Step 2: Convert to fraction form
    1,247,483.30/1,721,528.17 = 674,523.32/x
  3. Step 3: Cross multiply
    1,247,483.30x = 1,721,528.17 × 674,523.32
  4. Step 4: Simplify right side
    1,247,483.30x = 1,161,210,886,407.98
  5. Step 5: Solve for x
    x = 1,161,210,886,407.98/1,247,483.30
  6. Step 6: Final answer
    x = 930,842.83

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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.