Home / 1,053,790.56-1,454,266.23-645,813.60

Finding the Fourth Proportional to 1,053,790.56, 1,454,266.23 and 645,813.60

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Solution

The fourth proportional to 1,053,790.56, 1,454,266.23 and 645,813.60 is: 891,244.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,790.56 : 1,454,266.23 = 645,813.60 : x
  2. Step 2: Convert to fraction form
    1,053,790.56/1,454,266.23 = 645,813.60/x
  3. Step 3: Cross multiply
    1,053,790.56x = 1,454,266.23 × 645,813.60
  4. Step 4: Simplify right side
    1,053,790.56x = 939,184,909,354.73
  5. Step 5: Solve for x
    x = 939,184,909,354.73/1,053,790.56
  6. Step 6: Final answer
    x = 891,244.38

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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.