Home / 918,169.05-1,267,047.98-510,260.61

Finding the Fourth Proportional to 918,169.05, 1,267,047.98 and 510,260.61

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Solution

The fourth proportional to 918,169.05, 1,267,047.98 and 510,260.61 is: 704,145.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,169.05 : 1,267,047.98 = 510,260.61 : x
  2. Step 2: Convert to fraction form
    918,169.05/1,267,047.98 = 510,260.61/x
  3. Step 3: Cross multiply
    918,169.05x = 1,267,047.98 × 510,260.61
  4. Step 4: Simplify right side
    918,169.05x = 646,524,672,622.77
  5. Step 5: Solve for x
    x = 646,524,672,622.77/918,169.05
  6. Step 6: Final answer
    x = 704,145.57

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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.