Home / 974,643.60-1,461,965.40-738,447.60

Finding the Fourth Proportional to 974,643.60, 1,461,965.40 and 738,447.60

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Solution

The fourth proportional to 974,643.60, 1,461,965.40 and 738,447.60 is: 1,107,671.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,643.60 : 1,461,965.40 = 738,447.60 : x
  2. Step 2: Convert to fraction form
    974,643.60/1,461,965.40 = 738,447.60/x
  3. Step 3: Cross multiply
    974,643.60x = 1,461,965.40 × 738,447.60
  4. Step 4: Simplify right side
    974,643.60x = 1,079,584,840,913.04
  5. Step 5: Solve for x
    x = 1,079,584,840,913.04/974,643.60
  6. Step 6: Final answer
    x = 1,107,671.40

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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.