Home / 916,692.26-1,265,026.17-508,783.61

Finding the Fourth Proportional to 916,692.26, 1,265,026.17 and 508,783.61

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Solution

The fourth proportional to 916,692.26, 1,265,026.17 and 508,783.61 is: 702,116.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,692.26 : 1,265,026.17 = 508,783.61 : x
  2. Step 2: Convert to fraction form
    916,692.26/1,265,026.17 = 508,783.61/x
  3. Step 3: Cross multiply
    916,692.26x = 1,265,026.17 × 508,783.61
  4. Step 4: Simplify right side
    916,692.26x = 643,624,575,191.94
  5. Step 5: Solve for x
    x = 643,624,575,191.94/916,692.26
  6. Step 6: Final answer
    x = 702,116.30

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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.