Home / 621,491.07-930,612.18-583,609.76

Finding the Fourth Proportional to 621,491.07, 930,612.18 and 583,609.76

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Solution

The fourth proportional to 621,491.07, 930,612.18 and 583,609.76 is: 873,889.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,491.07 : 930,612.18 = 583,609.76 : x
  2. Step 2: Convert to fraction form
    621,491.07/930,612.18 = 583,609.76/x
  3. Step 3: Cross multiply
    621,491.07x = 930,612.18 × 583,609.76
  4. Step 4: Simplify right side
    621,491.07x = 543,114,346,369.82
  5. Step 5: Solve for x
    x = 543,114,346,369.82/621,491.07
  6. Step 6: Final answer
    x = 873,889.22

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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.