Home / 905,019.42-1,248,966.06-517,956.34

Finding the Fourth Proportional to 905,019.42, 1,248,966.06 and 517,956.34

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Solution

The fourth proportional to 905,019.42, 1,248,966.06 and 517,956.34 is: 714,802.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,019.42 : 1,248,966.06 = 517,956.34 : x
  2. Step 2: Convert to fraction form
    905,019.42/1,248,966.06 = 517,956.34/x
  3. Step 3: Cross multiply
    905,019.42x = 1,248,966.06 × 517,956.34
  4. Step 4: Simplify right side
    905,019.42x = 646,909,889,221.82
  5. Step 5: Solve for x
    x = 646,909,889,221.82/905,019.42
  6. Step 6: Final answer
    x = 714,802.22

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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.