Home / 1,225,818.20-1,838,727.30-384,368.60

Finding the Fourth Proportional to 1,225,818.20, 1,838,727.30 and 384,368.60

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Solution

The fourth proportional to 1,225,818.20, 1,838,727.30 and 384,368.60 is: 576,552.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,818.20 : 1,838,727.30 = 384,368.60 : x
  2. Step 2: Convert to fraction form
    1,225,818.20/1,838,727.30 = 384,368.60/x
  3. Step 3: Cross multiply
    1,225,818.20x = 1,838,727.30 × 384,368.60
  4. Step 4: Simplify right side
    1,225,818.20x = 706,749,038,082.78
  5. Step 5: Solve for x
    x = 706,749,038,082.78/1,225,818.20
  6. Step 6: Final answer
    x = 576,552.90

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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.