Home / 735,573.61-1,014,721.37-638,645.61

Finding the Fourth Proportional to 735,573.61, 1,014,721.37 and 638,645.61

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Solution

The fourth proportional to 735,573.61, 1,014,721.37 and 638,645.61 is: 881,009.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,573.61 : 1,014,721.37 = 638,645.61 : x
  2. Step 2: Convert to fraction form
    735,573.61/1,014,721.37 = 638,645.61/x
  3. Step 3: Cross multiply
    735,573.61x = 1,014,721.37 × 638,645.61
  4. Step 4: Simplify right side
    735,573.61x = 648,047,354,922.97
  5. Step 5: Solve for x
    x = 648,047,354,922.97/735,573.61
  6. Step 6: Final answer
    x = 881,009.53

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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.