Home / 1,143,141.71-1,714,712.60-384,919.70

Finding the Fourth Proportional to 1,143,141.71, 1,714,712.60 and 384,919.70

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Solution

The fourth proportional to 1,143,141.71, 1,714,712.60 and 384,919.70 is: 577,379.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,141.71 : 1,714,712.60 = 384,919.70 : x
  2. Step 2: Convert to fraction form
    1,143,141.71/1,714,712.60 = 384,919.70/x
  3. Step 3: Cross multiply
    1,143,141.71x = 1,714,712.60 × 384,919.70
  4. Step 4: Simplify right side
    1,143,141.71x = 660,026,664,827.30
  5. Step 5: Solve for x
    x = 660,026,664,827.30/1,143,141.71
  6. Step 6: Final answer
    x = 577,379.57

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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.