Home / 742,426.39-1,024,019.04-681,369.31

Finding the Fourth Proportional to 742,426.39, 1,024,019.04 and 681,369.31

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Solution

The fourth proportional to 742,426.39, 1,024,019.04 and 681,369.31 is: 939,803.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,426.39 : 1,024,019.04 = 681,369.31 : x
  2. Step 2: Convert to fraction form
    742,426.39/1,024,019.04 = 681,369.31/x
  3. Step 3: Cross multiply
    742,426.39x = 1,024,019.04 × 681,369.31
  4. Step 4: Simplify right side
    742,426.39x = 697,735,146,711.66
  5. Step 5: Solve for x
    x = 697,735,146,711.66/742,426.39
  6. Step 6: Final answer
    x = 939,803.81

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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.