Home / 760,121.11-1,048,967.22-415,957.10

Finding the Fourth Proportional to 760,121.11, 1,048,967.22 and 415,957.10

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Solution

The fourth proportional to 760,121.11, 1,048,967.22 and 415,957.10 is: 574,020.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,121.11 : 1,048,967.22 = 415,957.10 : x
  2. Step 2: Convert to fraction form
    760,121.11/1,048,967.22 = 415,957.10/x
  3. Step 3: Cross multiply
    760,121.11x = 1,048,967.22 × 415,957.10
  4. Step 4: Simplify right side
    760,121.11x = 436,325,362,826.26
  5. Step 5: Solve for x
    x = 436,325,362,826.26/760,121.11
  6. Step 6: Final answer
    x = 574,020.85

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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.