Home / 953,999.35-1,430,109.65-322,471.51

Finding the Fourth Proportional to 953,999.35, 1,430,109.65 and 322,471.51

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Solution

The fourth proportional to 953,999.35, 1,430,109.65 and 322,471.51 is: 483,406.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,999.35 : 1,430,109.65 = 322,471.51 : x
  2. Step 2: Convert to fraction form
    953,999.35/1,430,109.65 = 322,471.51/x
  3. Step 3: Cross multiply
    953,999.35x = 1,430,109.65 × 322,471.51
  4. Step 4: Simplify right side
    953,999.35x = 461,169,616,688.71
  5. Step 5: Solve for x
    x = 461,169,616,688.71/953,999.35
  6. Step 6: Final answer
    x = 483,406.64

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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.