Home / 929,857.80-1,392,021.90-556,609.80

Finding the Fourth Proportional to 929,857.80, 1,392,021.90 and 556,609.80

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Solution

The fourth proportional to 929,857.80, 1,392,021.90 and 556,609.80 is: 833,259.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,857.80 : 1,392,021.90 = 556,609.80 : x
  2. Step 2: Convert to fraction form
    929,857.80/1,392,021.90 = 556,609.80/x
  3. Step 3: Cross multiply
    929,857.80x = 1,392,021.90 × 556,609.80
  4. Step 4: Simplify right side
    929,857.80x = 774,813,031,354.62
  5. Step 5: Solve for x
    x = 774,813,031,354.62/929,857.80
  6. Step 6: Final answer
    x = 833,259.70

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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.