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Finding the Fourth Proportional to 1,225,354.03, 1,837,718.89 and 868,873.39

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Solution

The fourth proportional to 1,225,354.03, 1,837,718.89 and 868,873.39 is: 1,303,088.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,354.03 : 1,837,718.89 = 868,873.39 : x
  2. Step 2: Convert to fraction form
    1,225,354.03/1,837,718.89 = 868,873.39/x
  3. Step 3: Cross multiply
    1,225,354.03x = 1,837,718.89 × 868,873.39
  4. Step 4: Simplify right side
    1,225,354.03x = 1,596,745,041,821.34
  5. Step 5: Solve for x
    x = 1,596,745,041,821.34/1,225,354.03
  6. Step 6: Final answer
    x = 1,303,088.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.