Home / 1,106,869.76-1,660,139.40-308,068.04

Finding the Fourth Proportional to 1,106,869.76, 1,660,139.40 and 308,068.04

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Solution

The fourth proportional to 1,106,869.76, 1,660,139.40 and 308,068.04 is: 462,056.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,869.76 : 1,660,139.40 = 308,068.04 : x
  2. Step 2: Convert to fraction form
    1,106,869.76/1,660,139.40 = 308,068.04/x
  3. Step 3: Cross multiply
    1,106,869.76x = 1,660,139.40 × 308,068.04
  4. Step 4: Simplify right side
    1,106,869.76x = 511,435,891,084.78
  5. Step 5: Solve for x
    x = 511,435,891,084.78/1,106,869.76
  6. Step 6: Final answer
    x = 462,056.07

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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.