Home / 925,880.60-1,388,931.84-326,718

Finding the Fourth Proportional to 925,880.60, 1,388,931.84 and 326,718

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Solution

The fourth proportional to 925,880.60, 1,388,931.84 and 326,718 is: 490,116.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,880.60 : 1,388,931.84 = 326,718 : x
  2. Step 2: Convert to fraction form
    925,880.60/1,388,931.84 = 326,718/x
  3. Step 3: Cross multiply
    925,880.60x = 1,388,931.84 × 326,718
  4. Step 4: Simplify right side
    925,880.60x = 453,789,032,901.12
  5. Step 5: Solve for x
    x = 453,789,032,901.12/925,880.60
  6. Step 6: Final answer
    x = 490,116.15

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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.