Home / 416,258.06-574,436.00-225,271.40

Finding the Fourth Proportional to 416,258.06, 574,436.00 and 225,271.40

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Solution

The fourth proportional to 416,258.06, 574,436.00 and 225,271.40 is: 310,874.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,258.06 : 574,436.00 = 225,271.40 : x
  2. Step 2: Convert to fraction form
    416,258.06/574,436.00 = 225,271.40/x
  3. Step 3: Cross multiply
    416,258.06x = 574,436.00 × 225,271.40
  4. Step 4: Simplify right side
    416,258.06x = 129,403,999,621.40
  5. Step 5: Solve for x
    x = 129,403,999,621.40/416,258.06
  6. Step 6: Final answer
    x = 310,874.46

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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.