Home / 765,007.20-1,146,461.02-484,021.44

Finding the Fourth Proportional to 765,007.20, 1,146,461.02 and 484,021.44

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Solution

The fourth proportional to 765,007.20, 1,146,461.02 and 484,021.44 is: 725,367.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,007.20 : 1,146,461.02 = 484,021.44 : x
  2. Step 2: Convert to fraction form
    765,007.20/1,146,461.02 = 484,021.44/x
  3. Step 3: Cross multiply
    765,007.20x = 1,146,461.02 × 484,021.44
  4. Step 4: Simplify right side
    765,007.20x = 554,911,713,804.27
  5. Step 5: Solve for x
    x = 554,911,713,804.27/765,007.20
  6. Step 6: Final answer
    x = 725,367.96

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1.5x scale

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.