Home / 1,070,410.05-1,605,615.08-439,776.45

Finding the Fourth Proportional to 1,070,410.05, 1,605,615.08 and 439,776.45

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Solution

The fourth proportional to 1,070,410.05, 1,605,615.08 and 439,776.45 is: 659,664.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,410.05 : 1,605,615.08 = 439,776.45 : x
  2. Step 2: Convert to fraction form
    1,070,410.05/1,605,615.08 = 439,776.45/x
  3. Step 3: Cross multiply
    1,070,410.05x = 1,605,615.08 × 439,776.45
  4. Step 4: Simplify right side
    1,070,410.05x = 706,111,697,749.98
  5. Step 5: Solve for x
    x = 706,111,697,749.98/1,070,410.05
  6. Step 6: Final answer
    x = 659,664.68

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Double scale
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Similar ratio
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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.