Home / 525,154.14-724,717.08-298,814.22

Finding the Fourth Proportional to 525,154.14, 724,717.08 and 298,814.22

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Solution

The fourth proportional to 525,154.14, 724,717.08 and 298,814.22 is: 412,366.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,154.14 : 724,717.08 = 298,814.22 : x
  2. Step 2: Convert to fraction form
    525,154.14/724,717.08 = 298,814.22/x
  3. Step 3: Cross multiply
    525,154.14x = 724,717.08 × 298,814.22
  4. Step 4: Simplify right side
    525,154.14x = 216,555,768,980.88
  5. Step 5: Solve for x
    x = 216,555,768,980.88/525,154.14
  6. Step 6: Final answer
    x = 412,366.11

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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.