Home / 703,721.67-971,112.29-417,071.58

Finding the Fourth Proportional to 703,721.67, 971,112.29 and 417,071.58

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Solution

The fourth proportional to 703,721.67, 971,112.29 and 417,071.58 is: 575,544.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,721.67 : 971,112.29 = 417,071.58 : x
  2. Step 2: Convert to fraction form
    703,721.67/971,112.29 = 417,071.58/x
  3. Step 3: Cross multiply
    703,721.67x = 971,112.29 × 417,071.58
  4. Step 4: Simplify right side
    703,721.67x = 405,023,335,062.36
  5. Step 5: Solve for x
    x = 405,023,335,062.36/703,721.67
  6. Step 6: Final answer
    x = 575,544.78

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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.