Home / 971,677.09-1,340,907.91-536,116.87

Finding the Fourth Proportional to 971,677.09, 1,340,907.91 and 536,116.87

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Solution

The fourth proportional to 971,677.09, 1,340,907.91 and 536,116.87 is: 739,837.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,677.09 : 1,340,907.91 = 536,116.87 : x
  2. Step 2: Convert to fraction form
    971,677.09/1,340,907.91 = 536,116.87/x
  3. Step 3: Cross multiply
    971,677.09x = 1,340,907.91 × 536,116.87
  4. Step 4: Simplify right side
    971,677.09x = 718,883,351,667.44
  5. Step 5: Solve for x
    x = 718,883,351,667.44/971,677.09
  6. Step 6: Final answer
    x = 739,837.71

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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.