Home / 736,735.12-1,016,623.20-414,556.72

Finding the Fourth Proportional to 736,735.12, 1,016,623.20 and 414,556.72

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Solution

The fourth proportional to 736,735.12, 1,016,623.20 and 414,556.72 is: 572,048.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,735.12 : 1,016,623.20 = 414,556.72 : x
  2. Step 2: Convert to fraction form
    736,735.12/1,016,623.20 = 414,556.72/x
  3. Step 3: Cross multiply
    736,735.12x = 1,016,623.20 × 414,556.72
  4. Step 4: Simplify right side
    736,735.12x = 421,447,979,267.90
  5. Step 5: Solve for x
    x = 421,447,979,267.90/736,735.12
  6. Step 6: Final answer
    x = 572,048.17

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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.