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Finding the Fourth Proportional to 1,303,795.04, 1,799,612.13 and 787,466.91

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Solution

The fourth proportional to 1,303,795.04, 1,799,612.13 and 787,466.91 is: 1,086,930.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,795.04 : 1,799,612.13 = 787,466.91 : x
  2. Step 2: Convert to fraction form
    1,303,795.04/1,799,612.13 = 787,466.91/x
  3. Step 3: Cross multiply
    1,303,795.04x = 1,799,612.13 × 787,466.91
  4. Step 4: Simplify right side
    1,303,795.04x = 1,417,135,012,911.16
  5. Step 5: Solve for x
    x = 1,417,135,012,911.16/1,303,795.04
  6. Step 6: Final answer
    x = 1,086,930.82

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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.