Home / 984,000.79-1,357,927.85-548,446.21

Finding the Fourth Proportional to 984,000.79, 1,357,927.85 and 548,446.21

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Solution

The fourth proportional to 984,000.79, 1,357,927.85 and 548,446.21 is: 756,859.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,000.79 : 1,357,927.85 = 548,446.21 : x
  2. Step 2: Convert to fraction form
    984,000.79/1,357,927.85 = 548,446.21/x
  3. Step 3: Cross multiply
    984,000.79x = 1,357,927.85 × 548,446.21
  4. Step 4: Simplify right side
    984,000.79x = 744,750,382,785.95
  5. Step 5: Solve for x
    x = 744,750,382,785.95/984,000.79
  6. Step 6: Final answer
    x = 756,859.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.