Home / 917,370.80-1,376,056.20-834,702.20

Finding the Fourth Proportional to 917,370.80, 1,376,056.20 and 834,702.20

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Solution

The fourth proportional to 917,370.80, 1,376,056.20 and 834,702.20 is: 1,252,053.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,370.80 : 1,376,056.20 = 834,702.20 : x
  2. Step 2: Convert to fraction form
    917,370.80/1,376,056.20 = 834,702.20/x
  3. Step 3: Cross multiply
    917,370.80x = 1,376,056.20 × 834,702.20
  4. Step 4: Simplify right side
    917,370.80x = 1,148,597,137,463.64
  5. Step 5: Solve for x
    x = 1,148,597,137,463.64/917,370.80
  6. Step 6: Final answer
    x = 1,252,053.30

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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.