Home / 1,014,645.28-1,400,209.76-561,935.84

Finding the Fourth Proportional to 1,014,645.28, 1,400,209.76 and 561,935.84

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Solution

The fourth proportional to 1,014,645.28, 1,400,209.76 and 561,935.84 is: 775,471.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014,645.28 : 1,400,209.76 = 561,935.84 : x
  2. Step 2: Convert to fraction form
    1,014,645.28/1,400,209.76 = 561,935.84/x
  3. Step 3: Cross multiply
    1,014,645.28x = 1,400,209.76 × 561,935.84
  4. Step 4: Simplify right side
    1,014,645.28x = 786,828,047,661.80
  5. Step 5: Solve for x
    x = 786,828,047,661.80/1,014,645.28
  6. Step 6: Final answer
    x = 775,471.06

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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.