Home / 1,318,611.30-1,977,916.95-560,256.90

Finding the Fourth Proportional to 1,318,611.30, 1,977,916.95 and 560,256.90

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Solution

The fourth proportional to 1,318,611.30, 1,977,916.95 and 560,256.90 is: 840,385.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,611.30 : 1,977,916.95 = 560,256.90 : x
  2. Step 2: Convert to fraction form
    1,318,611.30/1,977,916.95 = 560,256.90/x
  3. Step 3: Cross multiply
    1,318,611.30x = 1,977,916.95 × 560,256.90
  4. Step 4: Simplify right side
    1,318,611.30x = 1,108,141,618,864.46
  5. Step 5: Solve for x
    x = 1,108,141,618,864.46/1,318,611.30
  6. Step 6: Final answer
    x = 840,385.35

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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.