Home / 723,683.20-998,802.39-401,497.10

Finding the Fourth Proportional to 723,683.20, 998,802.39 and 401,497.10

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Solution

The fourth proportional to 723,683.20, 998,802.39 and 401,497.10 is: 554,132.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,683.20 : 998,802.39 = 401,497.10 : x
  2. Step 2: Convert to fraction form
    723,683.20/998,802.39 = 401,497.10/x
  3. Step 3: Cross multiply
    723,683.20x = 998,802.39 × 401,497.10
  4. Step 4: Simplify right side
    723,683.20x = 401,016,263,058.07
  5. Step 5: Solve for x
    x = 401,016,263,058.07/723,683.20
  6. Step 6: Final answer
    x = 554,132.34

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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.