Home / 930,411.40-1,395,617.10-922,538.20

Finding the Fourth Proportional to 930,411.40, 1,395,617.10 and 922,538.20

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Solution

The fourth proportional to 930,411.40, 1,395,617.10 and 922,538.20 is: 1,383,807.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,411.40 : 1,395,617.10 = 922,538.20 : x
  2. Step 2: Convert to fraction form
    930,411.40/1,395,617.10 = 922,538.20/x
  3. Step 3: Cross multiply
    930,411.40x = 1,395,617.10 × 922,538.20
  4. Step 4: Simplify right side
    930,411.40x = 1,287,510,087,323.22
  5. Step 5: Solve for x
    x = 1,287,510,087,323.22/930,411.40
  6. Step 6: Final answer
    x = 1,383,807.30

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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.