Home / 927,325.80-1,390,211.10-484,093.80

Finding the Fourth Proportional to 927,325.80, 1,390,211.10 and 484,093.80

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Solution

The fourth proportional to 927,325.80, 1,390,211.10 and 484,093.80 is: 725,734.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,325.80 : 1,390,211.10 = 484,093.80 : x
  2. Step 2: Convert to fraction form
    927,325.80/1,390,211.10 = 484,093.80/x
  3. Step 3: Cross multiply
    927,325.80x = 1,390,211.10 × 484,093.80
  4. Step 4: Simplify right side
    927,325.80x = 672,992,574,201.18
  5. Step 5: Solve for x
    x = 672,992,574,201.18/927,325.80
  6. Step 6: Final answer
    x = 725,734.77

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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.