Home / 500,944.18-690,899.88-440,385.34

Finding the Fourth Proportional to 500,944.18, 690,899.88 and 440,385.34

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Solution

The fourth proportional to 500,944.18, 690,899.88 and 440,385.34 is: 607,377.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,944.18 : 690,899.88 = 440,385.34 : x
  2. Step 2: Convert to fraction form
    500,944.18/690,899.88 = 440,385.34/x
  3. Step 3: Cross multiply
    500,944.18x = 690,899.88 × 440,385.34
  4. Step 4: Simplify right side
    500,944.18x = 304,262,178,559.76
  5. Step 5: Solve for x
    x = 304,262,178,559.76/500,944.18
  6. Step 6: Final answer
    x = 607,377.41

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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.