Home / 1,130,670.40-1,696,005.60-1,122,797.20

Finding the Fourth Proportional to 1,130,670.40, 1,696,005.60 and 1,122,797.20

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Solution

The fourth proportional to 1,130,670.40, 1,696,005.60 and 1,122,797.20 is: 1,684,195.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,670.40 : 1,696,005.60 = 1,122,797.20 : x
  2. Step 2: Convert to fraction form
    1,130,670.40/1,696,005.60 = 1,122,797.20/x
  3. Step 3: Cross multiply
    1,130,670.40x = 1,696,005.60 × 1,122,797.20
  4. Step 4: Simplify right side
    1,130,670.40x = 1,904,270,338,864.32
  5. Step 5: Solve for x
    x = 1,904,270,338,864.32/1,130,670.40
  6. Step 6: Final answer
    x = 1,684,195.80

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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.