Home / 1,180,905.90-1,771,358.85-432,854.70

Finding the Fourth Proportional to 1,180,905.90, 1,771,358.85 and 432,854.70

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Solution

The fourth proportional to 1,180,905.90, 1,771,358.85 and 432,854.70 is: 649,282.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,905.90 : 1,771,358.85 = 432,854.70 : x
  2. Step 2: Convert to fraction form
    1,180,905.90/1,771,358.85 = 432,854.70/x
  3. Step 3: Cross multiply
    1,180,905.90x = 1,771,358.85 × 432,854.70
  4. Step 4: Simplify right side
    1,180,905.90x = 766,741,003,609.10
  5. Step 5: Solve for x
    x = 766,741,003,609.10/1,180,905.90
  6. Step 6: Final answer
    x = 649,282.05

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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.