Home / 945,465.22-1,304,751.36-515,754.28

Finding the Fourth Proportional to 945,465.22, 1,304,751.36 and 515,754.28

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Solution

The fourth proportional to 945,465.22, 1,304,751.36 and 515,754.28 is: 711,746.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,465.22 : 1,304,751.36 = 515,754.28 : x
  2. Step 2: Convert to fraction form
    945,465.22/1,304,751.36 = 515,754.28/x
  3. Step 3: Cross multiply
    945,465.22x = 1,304,751.36 × 515,754.28
  4. Step 4: Simplify right side
    945,465.22x = 672,931,098,255.82
  5. Step 5: Solve for x
    x = 672,931,098,255.82/945,465.22
  6. Step 6: Final answer
    x = 711,746.01

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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.