Home / 873,416.22-1,205,349.75-486,247.50

Finding the Fourth Proportional to 873,416.22, 1,205,349.75 and 486,247.50

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Solution

The fourth proportional to 873,416.22, 1,205,349.75 and 486,247.50 is: 671,041.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,416.22 : 1,205,349.75 = 486,247.50 : x
  2. Step 2: Convert to fraction form
    873,416.22/1,205,349.75 = 486,247.50/x
  3. Step 3: Cross multiply
    873,416.22x = 1,205,349.75 × 486,247.50
  4. Step 4: Simplify right side
    873,416.22x = 586,098,302,563.13
  5. Step 5: Solve for x
    x = 586,098,302,563.13/873,416.22
  6. Step 6: Final answer
    x = 671,041.24

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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.