Home / 1,219,994.08-1,683,591.86-676,211.72

Finding the Fourth Proportional to 1,219,994.08, 1,683,591.86 and 676,211.72

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Solution

The fourth proportional to 1,219,994.08, 1,683,591.86 and 676,211.72 is: 933,172.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,994.08 : 1,683,591.86 = 676,211.72 : x
  2. Step 2: Convert to fraction form
    1,219,994.08/1,683,591.86 = 676,211.72/x
  3. Step 3: Cross multiply
    1,219,994.08x = 1,683,591.86 × 676,211.72
  4. Step 4: Simplify right side
    1,219,994.08x = 1,138,464,540,701.17
  5. Step 5: Solve for x
    x = 1,138,464,540,701.17/1,219,994.08
  6. Step 6: Final answer
    x = 933,172.19

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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.