Home / 585,029.20-877,313.40-210,859.60

Finding the Fourth Proportional to 585,029.20, 877,313.40 and 210,859.60

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Solution

The fourth proportional to 585,029.20, 877,313.40 and 210,859.60 is: 316,206.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,029.20 : 877,313.40 = 210,859.60 : x
  2. Step 2: Convert to fraction form
    585,029.20/877,313.40 = 210,859.60/x
  3. Step 3: Cross multiply
    585,029.20x = 877,313.40 × 210,859.60
  4. Step 4: Simplify right side
    585,029.20x = 184,989,952,598.64
  5. Step 5: Solve for x
    x = 184,989,952,598.64/585,029.20
  6. Step 6: Final answer
    x = 316,206.36

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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.