Home / 626,621.70-939,932.55-558,387.30

Finding the Fourth Proportional to 626,621.70, 939,932.55 and 558,387.30

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Solution

The fourth proportional to 626,621.70, 939,932.55 and 558,387.30 is: 837,580.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,621.70 : 939,932.55 = 558,387.30 : x
  2. Step 2: Convert to fraction form
    626,621.70/939,932.55 = 558,387.30/x
  3. Step 3: Cross multiply
    626,621.70x = 939,932.55 × 558,387.30
  4. Step 4: Simplify right side
    626,621.70x = 524,846,398,776.62
  5. Step 5: Solve for x
    x = 524,846,398,776.62/626,621.70
  6. Step 6: Final answer
    x = 837,580.95

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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.