Home / 631,240.51-871,130.77-344,774.11

Finding the Fourth Proportional to 631,240.51, 871,130.77 and 344,774.11

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Solution

The fourth proportional to 631,240.51, 871,130.77 and 344,774.11 is: 475,798.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,240.51 : 871,130.77 = 344,774.11 : x
  2. Step 2: Convert to fraction form
    631,240.51/871,130.77 = 344,774.11/x
  3. Step 3: Cross multiply
    631,240.51x = 871,130.77 × 344,774.11
  4. Step 4: Simplify right side
    631,240.51x = 300,343,338,529.16
  5. Step 5: Solve for x
    x = 300,343,338,529.16/631,240.51
  6. Step 6: Final answer
    x = 475,798.58

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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.