Home / 784,676.40-1,177,014.60-607,529.40

Finding the Fourth Proportional to 784,676.40, 1,177,014.60 and 607,529.40

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Solution

The fourth proportional to 784,676.40, 1,177,014.60 and 607,529.40 is: 911,294.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,676.40 : 1,177,014.60 = 607,529.40 : x
  2. Step 2: Convert to fraction form
    784,676.40/1,177,014.60 = 607,529.40/x
  3. Step 3: Cross multiply
    784,676.40x = 1,177,014.60 × 607,529.40
  4. Step 4: Simplify right side
    784,676.40x = 715,070,973,729.24
  5. Step 5: Solve for x
    x = 715,070,973,729.24/784,676.40
  6. Step 6: Final answer
    x = 911,294.10

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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.