Home / 926,612.80-1,389,919.20-716,401.60

Finding the Fourth Proportional to 926,612.80, 1,389,919.20 and 716,401.60

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Solution

The fourth proportional to 926,612.80, 1,389,919.20 and 716,401.60 is: 1,074,602.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,612.80 : 1,389,919.20 = 716,401.60 : x
  2. Step 2: Convert to fraction form
    926,612.80/1,389,919.20 = 716,401.60/x
  3. Step 3: Cross multiply
    926,612.80x = 1,389,919.20 × 716,401.60
  4. Step 4: Simplify right side
    926,612.80x = 995,740,338,750.72
  5. Step 5: Solve for x
    x = 995,740,338,750.72/926,612.80
  6. Step 6: Final answer
    x = 1,074,602.40

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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.