Home / 1,407,948.16-2,112,133-509,600.09

Finding the Fourth Proportional to 1,407,948.16, 2,112,133 and 509,600.09

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Solution

The fourth proportional to 1,407,948.16, 2,112,133 and 509,600.09 is: 764,476.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,948.16 : 2,112,133 = 509,600.09 : x
  2. Step 2: Convert to fraction form
    1,407,948.16/2,112,133 = 509,600.09/x
  3. Step 3: Cross multiply
    1,407,948.16x = 2,112,133 × 509,600.09
  4. Step 4: Simplify right side
    1,407,948.16x = 1,076,343,156,331.31
  5. Step 5: Solve for x
    x = 1,076,343,156,331.31/1,407,948.16
  6. Step 6: Final answer
    x = 764,476.41

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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.