Home / 993,387.18-1,371,360.30-666,583.27

Finding the Fourth Proportional to 993,387.18, 1,371,360.30 and 666,583.27

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Solution

The fourth proportional to 993,387.18, 1,371,360.30 and 666,583.27 is: 920,211.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,387.18 : 1,371,360.30 = 666,583.27 : x
  2. Step 2: Convert to fraction form
    993,387.18/1,371,360.30 = 666,583.27/x
  3. Step 3: Cross multiply
    993,387.18x = 1,371,360.30 × 666,583.27
  4. Step 4: Simplify right side
    993,387.18x = 914,125,826,265.38
  5. Step 5: Solve for x
    x = 914,125,826,265.38/993,387.18
  6. Step 6: Final answer
    x = 920,211.02

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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.