Home / 1,447,559.81-1,997,425.65-866,643.74

Finding the Fourth Proportional to 1,447,559.81, 1,997,425.65 and 866,643.74

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Solution

The fourth proportional to 1,447,559.81, 1,997,425.65 and 866,643.74 is: 1,195,844.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,559.81 : 1,997,425.65 = 866,643.74 : x
  2. Step 2: Convert to fraction form
    1,447,559.81/1,997,425.65 = 866,643.74/x
  3. Step 3: Cross multiply
    1,447,559.81x = 1,997,425.65 × 866,643.74
  4. Step 4: Simplify right side
    1,447,559.81x = 1,731,056,431,354.71
  5. Step 5: Solve for x
    x = 1,731,056,431,354.71/1,447,559.81
  6. Step 6: Final answer
    x = 1,195,844.50

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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.