Home / 440,417.19-660,153.52-288,556.93

Finding the Fourth Proportional to 440,417.19, 660,153.52 and 288,556.93

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Solution

The fourth proportional to 440,417.19, 660,153.52 and 288,556.93 is: 432,525.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,417.19 : 660,153.52 = 288,556.93 : x
  2. Step 2: Convert to fraction form
    440,417.19/660,153.52 = 288,556.93/x
  3. Step 3: Cross multiply
    440,417.19x = 660,153.52 × 288,556.93
  4. Step 4: Simplify right side
    440,417.19x = 190,491,873,059.89
  5. Step 5: Solve for x
    x = 190,491,873,059.89/440,417.19
  6. Step 6: Final answer
    x = 432,525.97

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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.