Home / 1,286,681.04-1,775,832.41-713,905.74

Finding the Fourth Proportional to 1,286,681.04, 1,775,832.41 and 713,905.74

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Solution

The fourth proportional to 1,286,681.04, 1,775,832.41 and 713,905.74 is: 985,307.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,681.04 : 1,775,832.41 = 713,905.74 : x
  2. Step 2: Convert to fraction form
    1,286,681.04/1,775,832.41 = 713,905.74/x
  3. Step 3: Cross multiply
    1,286,681.04x = 1,775,832.41 × 713,905.74
  4. Step 4: Simplify right side
    1,286,681.04x = 1,267,776,947,207.50
  5. Step 5: Solve for x
    x = 1,267,776,947,207.50/1,286,681.04
  6. Step 6: Final answer
    x = 985,307.86

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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.