Home / 1,087,587.46-1,631,381.82-413,513.02

Finding the Fourth Proportional to 1,087,587.46, 1,631,381.82 and 413,513.02

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Solution

The fourth proportional to 1,087,587.46, 1,631,381.82 and 413,513.02 is: 620,269.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,587.46 : 1,631,381.82 = 413,513.02 : x
  2. Step 2: Convert to fraction form
    1,087,587.46/1,631,381.82 = 413,513.02/x
  3. Step 3: Cross multiply
    1,087,587.46x = 1,631,381.82 × 413,513.02
  4. Step 4: Simplify right side
    1,087,587.46x = 674,597,623,161.30
  5. Step 5: Solve for x
    x = 674,597,623,161.30/1,087,587.46
  6. Step 6: Final answer
    x = 620,269.77

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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.