Home / 814,386.91-1,123,988.84-451,927.19

Finding the Fourth Proportional to 814,386.91, 1,123,988.84 and 451,927.19

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Solution

The fourth proportional to 814,386.91, 1,123,988.84 and 451,927.19 is: 623,734.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,386.91 : 1,123,988.84 = 451,927.19 : x
  2. Step 2: Convert to fraction form
    814,386.91/1,123,988.84 = 451,927.19/x
  3. Step 3: Cross multiply
    814,386.91x = 1,123,988.84 × 451,927.19
  4. Step 4: Simplify right side
    814,386.91x = 507,961,115,792.92
  5. Step 5: Solve for x
    x = 507,961,115,792.92/814,386.91
  6. Step 6: Final answer
    x = 623,734.39

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.