Home / 6,376,404.20-9,564,606.30-6,128,398.40

Finding the Fourth Proportional to 6,376,404.20, 9,564,606.30 and 6,128,398.40

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Solution

The fourth proportional to 6,376,404.20, 9,564,606.30 and 6,128,398.40 is: 9,192,597.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,376,404.20 : 9,564,606.30 = 6,128,398.40 : x
  2. Step 2: Convert to fraction form
    6,376,404.20/9,564,606.30 = 6,128,398.40/x
  3. Step 3: Cross multiply
    6,376,404.20x = 9,564,606.30 × 6,128,398.40
  4. Step 4: Simplify right side
    6,376,404.20x = 58,615,717,945,549.93
  5. Step 5: Solve for x
    x = 58,615,717,945,549.93/6,376,404.20
  6. Step 6: Final answer
    x = 9,192,597.60

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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.