Home / 826,616.40-1,239,924.60-354,224.40

Finding the Fourth Proportional to 826,616.40, 1,239,924.60 and 354,224.40

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Solution

The fourth proportional to 826,616.40, 1,239,924.60 and 354,224.40 is: 531,336.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,616.40 : 1,239,924.60 = 354,224.40 : x
  2. Step 2: Convert to fraction form
    826,616.40/1,239,924.60 = 354,224.40/x
  3. Step 3: Cross multiply
    826,616.40x = 1,239,924.60 × 354,224.40
  4. Step 4: Simplify right side
    826,616.40x = 439,211,547,480.24
  5. Step 5: Solve for x
    x = 439,211,547,480.24/826,616.40
  6. Step 6: Final answer
    x = 531,336.60

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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.