Home / 563,921.59-845,011.58-380,834.82

Finding the Fourth Proportional to 563,921.59, 845,011.58 and 380,834.82

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Solution

The fourth proportional to 563,921.59, 845,011.58 and 380,834.82 is: 570,664.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,921.59 : 845,011.58 = 380,834.82 : x
  2. Step 2: Convert to fraction form
    563,921.59/845,011.58 = 380,834.82/x
  3. Step 3: Cross multiply
    563,921.59x = 845,011.58 × 380,834.82
  4. Step 4: Simplify right side
    563,921.59x = 321,809,833,919.30
  5. Step 5: Solve for x
    x = 321,809,833,919.30/563,921.59
  6. Step 6: Final answer
    x = 570,664.15

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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.