Home / 1,303,746.55-1,799,079.69-722,999.63

Finding the Fourth Proportional to 1,303,746.55, 1,799,079.69 and 722,999.63

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Solution

The fourth proportional to 1,303,746.55, 1,799,079.69 and 722,999.63 is: 997,689.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,746.55 : 1,799,079.69 = 722,999.63 : x
  2. Step 2: Convert to fraction form
    1,303,746.55/1,799,079.69 = 722,999.63/x
  3. Step 3: Cross multiply
    1,303,746.55x = 1,799,079.69 × 722,999.63
  4. Step 4: Simplify right side
    1,303,746.55x = 1,300,733,957,419.46
  5. Step 5: Solve for x
    x = 1,300,733,957,419.46/1,303,746.55
  6. Step 6: Final answer
    x = 997,689.28

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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.