Home / 1,157,555.20-1,736,332.80-409,676.80

Finding the Fourth Proportional to 1,157,555.20, 1,736,332.80 and 409,676.80

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Solution

The fourth proportional to 1,157,555.20, 1,736,332.80 and 409,676.80 is: 614,515.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,555.20 : 1,736,332.80 = 409,676.80 : x
  2. Step 2: Convert to fraction form
    1,157,555.20/1,736,332.80 = 409,676.80/x
  3. Step 3: Cross multiply
    1,157,555.20x = 1,736,332.80 × 409,676.80
  4. Step 4: Simplify right side
    1,157,555.20x = 711,335,265,239.04
  5. Step 5: Solve for x
    x = 711,335,265,239.04/1,157,555.20
  6. Step 6: Final answer
    x = 614,515.20

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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.