Home / 756,117.40-1,134,284.10-223,569.40

Finding the Fourth Proportional to 756,117.40, 1,134,284.10 and 223,569.40

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Solution

The fourth proportional to 756,117.40, 1,134,284.10 and 223,569.40 is: 335,386.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,117.40 : 1,134,284.10 = 223,569.40 : x
  2. Step 2: Convert to fraction form
    756,117.40/1,134,284.10 = 223,569.40/x
  3. Step 3: Cross multiply
    756,117.40x = 1,134,284.10 × 223,569.40
  4. Step 4: Simplify right side
    756,117.40x = 253,591,215,666.54
  5. Step 5: Solve for x
    x = 253,591,215,666.54/756,117.40
  6. Step 6: Final answer
    x = 335,386.03

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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.