Home / 1,069,415.20-1,604,122.80-1,062,042.40

Finding the Fourth Proportional to 1,069,415.20, 1,604,122.80 and 1,062,042.40

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Solution

The fourth proportional to 1,069,415.20, 1,604,122.80 and 1,062,042.40 is: 1,593,063.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,415.20 : 1,604,122.80 = 1,062,042.40 : x
  2. Step 2: Convert to fraction form
    1,069,415.20/1,604,122.80 = 1,062,042.40/x
  3. Step 3: Cross multiply
    1,069,415.20x = 1,604,122.80 × 1,062,042.40
  4. Step 4: Simplify right side
    1,069,415.20x = 1,703,646,428,406.72
  5. Step 5: Solve for x
    x = 1,703,646,428,406.72/1,069,415.20
  6. Step 6: Final answer
    x = 1,593,063.60

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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.