Home / 1,070,416.37-1,605,224.51-430,504.12

Finding the Fourth Proportional to 1,070,416.37, 1,605,224.51 and 430,504.12

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Solution

The fourth proportional to 1,070,416.37, 1,605,224.51 and 430,504.12 is: 645,595.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,416.37 : 1,605,224.51 = 430,504.12 : x
  2. Step 2: Convert to fraction form
    1,070,416.37/1,605,224.51 = 430,504.12/x
  3. Step 3: Cross multiply
    1,070,416.37x = 1,605,224.51 × 430,504.12
  4. Step 4: Simplify right side
    1,070,416.37x = 691,055,765,079.98
  5. Step 5: Solve for x
    x = 691,055,765,079.98/1,070,416.37
  6. Step 6: Final answer
    x = 645,595.29

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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.