Home / 995,303.40-1,373,511.78-565,549.80

Finding the Fourth Proportional to 995,303.40, 1,373,511.78 and 565,549.80

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Solution

The fourth proportional to 995,303.40, 1,373,511.78 and 565,549.80 is: 780,454.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,303.40 : 1,373,511.78 = 565,549.80 : x
  2. Step 2: Convert to fraction form
    995,303.40/1,373,511.78 = 565,549.80/x
  3. Step 3: Cross multiply
    995,303.40x = 1,373,511.78 × 565,549.80
  4. Step 4: Simplify right side
    995,303.40x = 776,789,312,476.64
  5. Step 5: Solve for x
    x = 776,789,312,476.64/995,303.40
  6. Step 6: Final answer
    x = 780,454.80

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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.