Home / 6,705,513.36-9,253,809.12-4,128,680.88

Finding the Fourth Proportional to 6,705,513.36, 9,253,809.12 and 4,128,680.88

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Solution

The fourth proportional to 6,705,513.36, 9,253,809.12 and 4,128,680.88 is: 5,697,703.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,705,513.36 : 9,253,809.12 = 4,128,680.88 : x
  2. Step 2: Convert to fraction form
    6,705,513.36/9,253,809.12 = 4,128,680.88/x
  3. Step 3: Cross multiply
    6,705,513.36x = 9,253,809.12 × 4,128,680.88
  4. Step 4: Simplify right side
    6,705,513.36x = 38,206,024,780,913.62
  5. Step 5: Solve for x
    x = 38,206,024,780,913.62/6,705,513.36
  6. Step 6: Final answer
    x = 5,697,703.18

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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.