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Finding the Fourth Proportional to 1,778,336, 2,454,103.80 and 973,520

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Solution

The fourth proportional to 1,778,336, 2,454,103.80 and 973,520 is: 1,343,457.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,336 : 2,454,103.80 = 973,520 : x
  2. Step 2: Convert to fraction form
    1,778,336/2,454,103.80 = 973,520/x
  3. Step 3: Cross multiply
    1,778,336x = 2,454,103.80 × 973,520
  4. Step 4: Simplify right side
    1,778,336x = 2,389,119,131,376
  5. Step 5: Solve for x
    x = 2,389,119,131,376/1,778,336
  6. Step 6: Final answer
    x = 1,343,457.67

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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.