Home / 1,483,430.40-2,225,145.60-361,509.12

Finding the Fourth Proportional to 1,483,430.40, 2,225,145.60 and 361,509.12

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Solution

The fourth proportional to 1,483,430.40, 2,225,145.60 and 361,509.12 is: 542,263.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,483,430.40 : 2,225,145.60 = 361,509.12 : x
  2. Step 2: Convert to fraction form
    1,483,430.40/2,225,145.60 = 361,509.12/x
  3. Step 3: Cross multiply
    1,483,430.40x = 2,225,145.60 × 361,509.12
  4. Step 4: Simplify right side
    1,483,430.40x = 804,410,427,727.87
  5. Step 5: Solve for x
    x = 804,410,427,727.87/1,483,430.40
  6. Step 6: Final answer
    x = 542,263.68

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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.