Home / 717,243.81-1,075,366.35-317,667.97

Finding the Fourth Proportional to 717,243.81, 1,075,366.35 and 317,667.97

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Solution

The fourth proportional to 717,243.81, 1,075,366.35 and 317,667.97 is: 476,280.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,243.81 : 1,075,366.35 = 317,667.97 : x
  2. Step 2: Convert to fraction form
    717,243.81/1,075,366.35 = 317,667.97/x
  3. Step 3: Cross multiply
    717,243.81x = 1,075,366.35 × 317,667.97
  4. Step 4: Simplify right side
    717,243.81x = 341,609,445,410.81
  5. Step 5: Solve for x
    x = 341,609,445,410.81/717,243.81
  6. Step 6: Final answer
    x = 476,280.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.