Home / 1,152,993.60-1,729,490.40-1,097,881.20

Finding the Fourth Proportional to 1,152,993.60, 1,729,490.40 and 1,097,881.20

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Solution

The fourth proportional to 1,152,993.60, 1,729,490.40 and 1,097,881.20 is: 1,646,821.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,993.60 : 1,729,490.40 = 1,097,881.20 : x
  2. Step 2: Convert to fraction form
    1,152,993.60/1,729,490.40 = 1,097,881.20/x
  3. Step 3: Cross multiply
    1,152,993.60x = 1,729,490.40 × 1,097,881.20
  4. Step 4: Simplify right side
    1,152,993.60x = 1,898,774,995,740.48
  5. Step 5: Solve for x
    x = 1,898,774,995,740.48/1,152,993.60
  6. Step 6: Final answer
    x = 1,646,821.80

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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.