Home / 1,176,254.10-1,759,715.55-1,020,215.70

Finding the Fourth Proportional to 1,176,254.10, 1,759,715.55 and 1,020,215.70

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Solution

The fourth proportional to 1,176,254.10, 1,759,715.55 and 1,020,215.70 is: 1,526,276.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176,254.10 : 1,759,715.55 = 1,020,215.70 : x
  2. Step 2: Convert to fraction form
    1,176,254.10/1,759,715.55 = 1,020,215.70/x
  3. Step 3: Cross multiply
    1,176,254.10x = 1,759,715.55 × 1,020,215.70
  4. Step 4: Simplify right side
    1,176,254.10x = 1,795,289,431,644.14
  5. Step 5: Solve for x
    x = 1,795,289,431,644.14/1,176,254.10
  6. Step 6: Final answer
    x = 1,526,276.87

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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.