Home / 817,853.48-1,128,558.64-603,109.16

Finding the Fourth Proportional to 817,853.48, 1,128,558.64 and 603,109.16

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Solution

The fourth proportional to 817,853.48, 1,128,558.64 and 603,109.16 is: 832,232.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,853.48 : 1,128,558.64 = 603,109.16 : x
  2. Step 2: Convert to fraction form
    817,853.48/1,128,558.64 = 603,109.16/x
  3. Step 3: Cross multiply
    817,853.48x = 1,128,558.64 × 603,109.16
  4. Step 4: Simplify right side
    817,853.48x = 680,644,053,381.14
  5. Step 5: Solve for x
    x = 680,644,053,381.14/817,853.48
  6. Step 6: Final answer
    x = 832,232.26

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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.