Home / 938,400.04-1,407,457.50-307,299.88

Finding the Fourth Proportional to 938,400.04, 1,407,457.50 and 307,299.88

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Solution

The fourth proportional to 938,400.04, 1,407,457.50 and 307,299.88 is: 460,903.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,400.04 : 1,407,457.50 = 307,299.88 : x
  2. Step 2: Convert to fraction form
    938,400.04/1,407,457.50 = 307,299.88/x
  3. Step 3: Cross multiply
    938,400.04x = 1,407,457.50 × 307,299.88
  4. Step 4: Simplify right side
    938,400.04x = 432,511,520,855.10
  5. Step 5: Solve for x
    x = 432,511,520,855.10/938,400.04
  6. Step 6: Final answer
    x = 460,903.14

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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.