Home / 1,054,221.45-1,454,819.01-570,785.10

Finding the Fourth Proportional to 1,054,221.45, 1,454,819.01 and 570,785.10

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Solution

The fourth proportional to 1,054,221.45, 1,454,819.01 and 570,785.10 is: 787,679.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,221.45 : 1,454,819.01 = 570,785.10 : x
  2. Step 2: Convert to fraction form
    1,054,221.45/1,454,819.01 = 570,785.10/x
  3. Step 3: Cross multiply
    1,054,221.45x = 1,454,819.01 × 570,785.10
  4. Step 4: Simplify right side
    1,054,221.45x = 830,389,014,104.75
  5. Step 5: Solve for x
    x = 830,389,014,104.75/1,054,221.45
  6. Step 6: Final answer
    x = 787,679.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.