Home / 456,526.76-684,418.98-190,485.44

Finding the Fourth Proportional to 456,526.76, 684,418.98 and 190,485.44

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Solution

The fourth proportional to 456,526.76, 684,418.98 and 190,485.44 is: 285,573.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,526.76 : 684,418.98 = 190,485.44 : x
  2. Step 2: Convert to fraction form
    456,526.76/684,418.98 = 190,485.44/x
  3. Step 3: Cross multiply
    456,526.76x = 684,418.98 × 190,485.44
  4. Step 4: Simplify right side
    456,526.76x = 130,371,850,549.65
  5. Step 5: Solve for x
    x = 130,371,850,549.65/456,526.76
  6. Step 6: Final answer
    x = 285,573.29

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1.5x scale

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.