Home / 943,613.40-1,415,420.10-756,989.40

Finding the Fourth Proportional to 943,613.40, 1,415,420.10 and 756,989.40

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Solution

The fourth proportional to 943,613.40, 1,415,420.10 and 756,989.40 is: 1,135,484.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,613.40 : 1,415,420.10 = 756,989.40 : x
  2. Step 2: Convert to fraction form
    943,613.40/1,415,420.10 = 756,989.40/x
  3. Step 3: Cross multiply
    943,613.40x = 1,415,420.10 × 756,989.40
  4. Step 4: Simplify right side
    943,613.40x = 1,071,458,012,246.94
  5. Step 5: Solve for x
    x = 1,071,458,012,246.94/943,613.40
  6. Step 6: Final answer
    x = 1,135,484.10

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Double scale
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Similar ratio
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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.