Home / 983,617.60-1,475,426.40-976,619.20

Finding the Fourth Proportional to 983,617.60, 1,475,426.40 and 976,619.20

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Solution

The fourth proportional to 983,617.60, 1,475,426.40 and 976,619.20 is: 1,464,928.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,617.60 : 1,475,426.40 = 976,619.20 : x
  2. Step 2: Convert to fraction form
    983,617.60/1,475,426.40 = 976,619.20/x
  3. Step 3: Cross multiply
    983,617.60x = 1,475,426.40 × 976,619.20
  4. Step 4: Simplify right side
    983,617.60x = 1,440,929,750,426.88
  5. Step 5: Solve for x
    x = 1,440,929,750,426.88/983,617.60
  6. Step 6: Final answer
    x = 1,464,928.80

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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.