Home / 1,241,070.18-1,861,145.46-442,139.64

Finding the Fourth Proportional to 1,241,070.18, 1,861,145.46 and 442,139.64

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Solution

The fourth proportional to 1,241,070.18, 1,861,145.46 and 442,139.64 is: 663,045.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,070.18 : 1,861,145.46 = 442,139.64 : x
  2. Step 2: Convert to fraction form
    1,241,070.18/1,861,145.46 = 442,139.64/x
  3. Step 3: Cross multiply
    1,241,070.18x = 1,861,145.46 × 442,139.64
  4. Step 4: Simplify right side
    1,241,070.18x = 822,886,183,672.03
  5. Step 5: Solve for x
    x = 822,886,183,672.03/1,241,070.18
  6. Step 6: Final answer
    x = 663,045.65

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Double scale
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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.