Home / 436,417.40-654,626.10-140,929.40

Finding the Fourth Proportional to 436,417.40, 654,626.10 and 140,929.40

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Solution

The fourth proportional to 436,417.40, 654,626.10 and 140,929.40 is: 211,394.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,417.40 : 654,626.10 = 140,929.40 : x
  2. Step 2: Convert to fraction form
    436,417.40/654,626.10 = 140,929.40/x
  3. Step 3: Cross multiply
    436,417.40x = 654,626.10 × 140,929.40
  4. Step 4: Simplify right side
    436,417.40x = 92,256,063,497.34
  5. Step 5: Solve for x
    x = 92,256,063,497.34/436,417.40
  6. Step 6: Final answer
    x = 211,394.10

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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.