Home / 460,969.92-634,690.94-391,923.60

Finding the Fourth Proportional to 460,969.92, 634,690.94 and 391,923.60

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Solution

The fourth proportional to 460,969.92, 634,690.94 and 391,923.60 is: 539,623.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,969.92 : 634,690.94 = 391,923.60 : x
  2. Step 2: Convert to fraction form
    460,969.92/634,690.94 = 391,923.60/x
  3. Step 3: Cross multiply
    460,969.92x = 634,690.94 × 391,923.60
  4. Step 4: Simplify right side
    460,969.92x = 248,750,356,132.57
  5. Step 5: Solve for x
    x = 248,750,356,132.57/460,969.92
  6. Step 6: Final answer
    x = 539,623.84

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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.