Home / 756,027.40-1,134,041.10-695,666.20

Finding the Fourth Proportional to 756,027.40, 1,134,041.10 and 695,666.20

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Solution

The fourth proportional to 756,027.40, 1,134,041.10 and 695,666.20 is: 1,043,499.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,027.40 : 1,134,041.10 = 695,666.20 : x
  2. Step 2: Convert to fraction form
    756,027.40/1,134,041.10 = 695,666.20/x
  3. Step 3: Cross multiply
    756,027.40x = 1,134,041.10 × 695,666.20
  4. Step 4: Simplify right side
    756,027.40x = 788,914,062,680.82
  5. Step 5: Solve for x
    x = 788,914,062,680.82/756,027.40
  6. Step 6: Final answer
    x = 1,043,499.30

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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.