Home / 614,945.48-848,645.79-356,802.94

Finding the Fourth Proportional to 614,945.48, 848,645.79 and 356,802.94

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Solution

The fourth proportional to 614,945.48, 848,645.79 and 356,802.94 is: 492,400.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,945.48 : 848,645.79 = 356,802.94 : x
  2. Step 2: Convert to fraction form
    614,945.48/848,645.79 = 356,802.94/x
  3. Step 3: Cross multiply
    614,945.48x = 848,645.79 × 356,802.94
  4. Step 4: Simplify right side
    614,945.48x = 302,799,308,647.39
  5. Step 5: Solve for x
    x = 302,799,308,647.39/614,945.48
  6. Step 6: Final answer
    x = 492,400.25

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1.5x scale

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.