Home / 1,139,106.16-1,708,660.90-465,187.47

Finding the Fourth Proportional to 1,139,106.16, 1,708,660.90 and 465,187.47

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Solution

The fourth proportional to 1,139,106.16, 1,708,660.90 and 465,187.47 is: 697,781.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,106.16 : 1,708,660.90 = 465,187.47 : x
  2. Step 2: Convert to fraction form
    1,139,106.16/1,708,660.90 = 465,187.47/x
  3. Step 3: Cross multiply
    1,139,106.16x = 1,708,660.90 × 465,187.47
  4. Step 4: Simplify right side
    1,139,106.16x = 794,847,630,289.68
  5. Step 5: Solve for x
    x = 794,847,630,289.68/1,139,106.16
  6. Step 6: Final answer
    x = 697,781.88

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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.