Home / 918,624.72-1,267,806.96-510,767.04

Finding the Fourth Proportional to 918,624.72, 1,267,806.96 and 510,767.04

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Solution

The fourth proportional to 918,624.72, 1,267,806.96 and 510,767.04 is: 704,916.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,624.72 : 1,267,806.96 = 510,767.04 : x
  2. Step 2: Convert to fraction form
    918,624.72/1,267,806.96 = 510,767.04/x
  3. Step 3: Cross multiply
    918,624.72x = 1,267,806.96 × 510,767.04
  4. Step 4: Simplify right side
    918,624.72x = 647,554,008,250.60
  5. Step 5: Solve for x
    x = 647,554,008,250.60/918,624.72
  6. Step 6: Final answer
    x = 704,916.81

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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.