Home / 525,025.80-724,407.30-295,536.60

Finding the Fourth Proportional to 525,025.80, 724,407.30 and 295,536.60

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Solution

The fourth proportional to 525,025.80, 724,407.30 and 295,536.60 is: 407,768.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,025.80 : 724,407.30 = 295,536.60 : x
  2. Step 2: Convert to fraction form
    525,025.80/724,407.30 = 295,536.60/x
  3. Step 3: Cross multiply
    525,025.80x = 724,407.30 × 295,536.60
  4. Step 4: Simplify right side
    525,025.80x = 214,088,870,457.18
  5. Step 5: Solve for x
    x = 214,088,870,457.18/525,025.80
  6. Step 6: Final answer
    x = 407,768.29

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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.