Home / 981,441.90-1,354,296.51-573,639.30

Finding the Fourth Proportional to 981,441.90, 1,354,296.51 and 573,639.30

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Solution

The fourth proportional to 981,441.90, 1,354,296.51 and 573,639.30 is: 791,567.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,441.90 : 1,354,296.51 = 573,639.30 : x
  2. Step 2: Convert to fraction form
    981,441.90/1,354,296.51 = 573,639.30/x
  3. Step 3: Cross multiply
    981,441.90x = 1,354,296.51 × 573,639.30
  4. Step 4: Simplify right side
    981,441.90x = 776,877,701,988.84
  5. Step 5: Solve for x
    x = 776,877,701,988.84/981,441.90
  6. Step 6: Final answer
    x = 791,567.69

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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.