Home / 766,124.92-1,148,802.90-446,380.12

Finding the Fourth Proportional to 766,124.92, 1,148,802.90 and 446,380.12

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Solution

The fourth proportional to 766,124.92, 1,148,802.90 and 446,380.12 is: 669,346.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,124.92 : 1,148,802.90 = 446,380.12 : x
  2. Step 2: Convert to fraction form
    766,124.92/1,148,802.90 = 446,380.12/x
  3. Step 3: Cross multiply
    766,124.92x = 1,148,802.90 × 446,380.12
  4. Step 4: Simplify right side
    766,124.92x = 512,802,776,358.35
  5. Step 5: Solve for x
    x = 512,802,776,358.35/766,124.92
  6. Step 6: Final answer
    x = 669,346.16

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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.