Home / 784,677.40-1,177,016.10-607,530.40

Finding the Fourth Proportional to 784,677.40, 1,177,016.10 and 607,530.40

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Solution

The fourth proportional to 784,677.40, 1,177,016.10 and 607,530.40 is: 911,295.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,677.40 : 1,177,016.10 = 607,530.40 : x
  2. Step 2: Convert to fraction form
    784,677.40/1,177,016.10 = 607,530.40/x
  3. Step 3: Cross multiply
    784,677.40x = 1,177,016.10 × 607,530.40
  4. Step 4: Simplify right side
    784,677.40x = 715,073,062,039.44
  5. Step 5: Solve for x
    x = 715,073,062,039.44/784,677.40
  6. Step 6: Final answer
    x = 911,295.60

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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.