Home / 1,208,173.80-1,813,643.10-709,818.60

Finding the Fourth Proportional to 1,208,173.80, 1,813,643.10 and 709,818.60

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Solution

The fourth proportional to 1,208,173.80, 1,813,643.10 and 709,818.60 is: 1,065,540.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,173.80 : 1,813,643.10 = 709,818.60 : x
  2. Step 2: Convert to fraction form
    1,208,173.80/1,813,643.10 = 709,818.60/x
  3. Step 3: Cross multiply
    1,208,173.80x = 1,813,643.10 × 709,818.60
  4. Step 4: Simplify right side
    1,208,173.80x = 1,287,357,606,141.66
  5. Step 5: Solve for x
    x = 1,287,357,606,141.66/1,208,173.80
  6. Step 6: Final answer
    x = 1,065,540.08

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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.