Home / 829,482.45-1,144,872.39-542,836.41

Finding the Fourth Proportional to 829,482.45, 1,144,872.39 and 542,836.41

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Solution

The fourth proportional to 829,482.45, 1,144,872.39 and 542,836.41 is: 749,236.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,482.45 : 1,144,872.39 = 542,836.41 : x
  2. Step 2: Convert to fraction form
    829,482.45/1,144,872.39 = 542,836.41/x
  3. Step 3: Cross multiply
    829,482.45x = 1,144,872.39 × 542,836.41
  4. Step 4: Simplify right side
    829,482.45x = 621,478,418,095.72
  5. Step 5: Solve for x
    x = 621,478,418,095.72/829,482.45
  6. Step 6: Final answer
    x = 749,236.37

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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.