Home / 525,440.30-725,429.05-341,853.26

Finding the Fourth Proportional to 525,440.30, 725,429.05 and 341,853.26

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Solution

The fourth proportional to 525,440.30, 725,429.05 and 341,853.26 is: 471,966.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,440.30 : 725,429.05 = 341,853.26 : x
  2. Step 2: Convert to fraction form
    525,440.30/725,429.05 = 341,853.26/x
  3. Step 3: Cross multiply
    525,440.30x = 725,429.05 × 341,853.26
  4. Step 4: Simplify right side
    525,440.30x = 247,990,281,159.43
  5. Step 5: Solve for x
    x = 247,990,281,159.43/525,440.30
  6. Step 6: Final answer
    x = 471,966.62

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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.