Home / 1,152,258.21-1,589,878.95-662,133.06

Finding the Fourth Proportional to 1,152,258.21, 1,589,878.95 and 662,133.06

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Solution

The fourth proportional to 1,152,258.21, 1,589,878.95 and 662,133.06 is: 913,607.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,258.21 : 1,589,878.95 = 662,133.06 : x
  2. Step 2: Convert to fraction form
    1,152,258.21/1,589,878.95 = 662,133.06/x
  3. Step 3: Cross multiply
    1,152,258.21x = 1,589,878.95 × 662,133.06
  4. Step 4: Simplify right side
    1,152,258.21x = 1,052,711,414,193.09
  5. Step 5: Solve for x
    x = 1,052,711,414,193.09/1,152,258.21
  6. Step 6: Final answer
    x = 913,607.21

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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.