Home / 950,545.13-1,311,752.34-520,840.67

Finding the Fourth Proportional to 950,545.13, 1,311,752.34 and 520,840.67

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Solution

The fourth proportional to 950,545.13, 1,311,752.34 and 520,840.67 is: 718,760.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,545.13 : 1,311,752.34 = 520,840.67 : x
  2. Step 2: Convert to fraction form
    950,545.13/1,311,752.34 = 520,840.67/x
  3. Step 3: Cross multiply
    950,545.13x = 1,311,752.34 × 520,840.67
  4. Step 4: Simplify right side
    950,545.13x = 683,213,961,080.91
  5. Step 5: Solve for x
    x = 683,213,961,080.91/950,545.13
  6. Step 6: Final answer
    x = 718,760.15

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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.