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Finding the Fourth Proportional to 1,247,565.04, 1,721,664.72 and 703,594.35

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Solution

The fourth proportional to 1,247,565.04, 1,721,664.72 and 703,594.35 is: 970,974.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,565.04 : 1,721,664.72 = 703,594.35 : x
  2. Step 2: Convert to fraction form
    1,247,565.04/1,721,664.72 = 703,594.35/x
  3. Step 3: Cross multiply
    1,247,565.04x = 1,721,664.72 × 703,594.35
  4. Step 4: Simplify right side
    1,247,565.04x = 1,211,353,569,586.33
  5. Step 5: Solve for x
    x = 1,211,353,569,586.33/1,247,565.04
  6. Step 6: Final answer
    x = 970,974.28

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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.