Home / 936,457.47-1,292,313.56-506,742.21

Finding the Fourth Proportional to 936,457.47, 1,292,313.56 and 506,742.21

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Solution

The fourth proportional to 936,457.47, 1,292,313.56 and 506,742.21 is: 699,305.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,457.47 : 1,292,313.56 = 506,742.21 : x
  2. Step 2: Convert to fraction form
    936,457.47/1,292,313.56 = 506,742.21/x
  3. Step 3: Cross multiply
    936,457.47x = 1,292,313.56 × 506,742.21
  4. Step 4: Simplify right side
    936,457.47x = 654,869,826,873.66
  5. Step 5: Solve for x
    x = 654,869,826,873.66/936,457.47
  6. Step 6: Final answer
    x = 699,305.47

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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.