Home / 1,247,597.91-1,721,685.24-674,638.07

Finding the Fourth Proportional to 1,247,597.91, 1,721,685.24 and 674,638.07

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Solution

The fourth proportional to 1,247,597.91, 1,721,685.24 and 674,638.07 is: 931,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,597.91 : 1,721,685.24 = 674,638.07 : x
  2. Step 2: Convert to fraction form
    1,247,597.91/1,721,685.24 = 674,638.07/x
  3. Step 3: Cross multiply
    1,247,597.91x = 1,721,685.24 × 674,638.07
  4. Step 4: Simplify right side
    1,247,597.91x = 1,161,514,398,852.66
  5. Step 5: Solve for x
    x = 1,161,514,398,852.66/1,247,597.91
  6. Step 6: Final answer
    x = 931,000.60

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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.