Home / 1,115,604.40-1,539,546-606,306.80

Finding the Fourth Proportional to 1,115,604.40, 1,539,546 and 606,306.80

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Solution

The fourth proportional to 1,115,604.40, 1,539,546 and 606,306.80 is: 836,709.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,604.40 : 1,539,546 = 606,306.80 : x
  2. Step 2: Convert to fraction form
    1,115,604.40/1,539,546 = 606,306.80/x
  3. Step 3: Cross multiply
    1,115,604.40x = 1,539,546 × 606,306.80
  4. Step 4: Simplify right side
    1,115,604.40x = 933,437,208,712.80
  5. Step 5: Solve for x
    x = 933,437,208,712.80/1,115,604.40
  6. Step 6: Final answer
    x = 836,709.87

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Double scale
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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.