Home / 1,247,582.52-1,721,625.12-703,710.36

Finding the Fourth Proportional to 1,247,582.52, 1,721,625.12 and 703,710.36

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Solution

The fourth proportional to 1,247,582.52, 1,721,625.12 and 703,710.36 is: 971,098.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,582.52 : 1,721,625.12 = 703,710.36 : x
  2. Step 2: Convert to fraction form
    1,247,582.52/1,721,625.12 = 703,710.36/x
  3. Step 3: Cross multiply
    1,247,582.52x = 1,721,625.12 × 703,710.36
  4. Step 4: Simplify right side
    1,247,582.52x = 1,211,525,432,980.24
  5. Step 5: Solve for x
    x = 1,211,525,432,980.24/1,247,582.52
  6. Step 6: Final answer
    x = 971,098.44

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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.