Home / 1,011,520.12-1,516,257.80-435,519.11

Finding the Fourth Proportional to 1,011,520.12, 1,516,257.80 and 435,519.11

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Solution

The fourth proportional to 1,011,520.12, 1,516,257.80 and 435,519.11 is: 652,838.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,520.12 : 1,516,257.80 = 435,519.11 : x
  2. Step 2: Convert to fraction form
    1,011,520.12/1,516,257.80 = 435,519.11/x
  3. Step 3: Cross multiply
    1,011,520.12x = 1,516,257.80 × 435,519.11
  4. Step 4: Simplify right side
    1,011,520.12x = 660,359,245,408.96
  5. Step 5: Solve for x
    x = 660,359,245,408.96/1,011,520.12
  6. Step 6: Final answer
    x = 652,838.47

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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.