Home / 981,501.84-1,354,368.96-545,848.56

Finding the Fourth Proportional to 981,501.84, 1,354,368.96 and 545,848.56

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Solution

The fourth proportional to 981,501.84, 1,354,368.96 and 545,848.56 is: 753,213.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,501.84 : 1,354,368.96 = 545,848.56 : x
  2. Step 2: Convert to fraction form
    981,501.84/1,354,368.96 = 545,848.56/x
  3. Step 3: Cross multiply
    981,501.84x = 1,354,368.96 × 545,848.56
  4. Step 4: Simplify right side
    981,501.84x = 739,280,346,524.70
  5. Step 5: Solve for x
    x = 739,280,346,524.70/981,501.84
  6. Step 6: Final answer
    x = 753,213.41

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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.