Home / 814,075.54-1,123,407.51-451,440.88

Finding the Fourth Proportional to 814,075.54, 1,123,407.51 and 451,440.88

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Solution

The fourth proportional to 814,075.54, 1,123,407.51 and 451,440.88 is: 622,979.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,075.54 : 1,123,407.51 = 451,440.88 : x
  2. Step 2: Convert to fraction form
    814,075.54/1,123,407.51 = 451,440.88/x
  3. Step 3: Cross multiply
    814,075.54x = 1,123,407.51 × 451,440.88
  4. Step 4: Simplify right side
    814,075.54x = 507,152,074,913.01
  5. Step 5: Solve for x
    x = 507,152,074,913.01/814,075.54
  6. Step 6: Final answer
    x = 622,979.13

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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.