Home / 723,864.14-998,933.68-401,574.24

Finding the Fourth Proportional to 723,864.14, 998,933.68 and 401,574.24

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Solution

The fourth proportional to 723,864.14, 998,933.68 and 401,574.24 is: 554,173.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,864.14 : 998,933.68 = 401,574.24 : x
  2. Step 2: Convert to fraction form
    723,864.14/998,933.68 = 401,574.24/x
  3. Step 3: Cross multiply
    723,864.14x = 998,933.68 × 401,574.24
  4. Step 4: Simplify right side
    723,864.14x = 401,146,033,356.40
  5. Step 5: Solve for x
    x = 401,146,033,356.40/723,864.14
  6. Step 6: Final answer
    x = 554,173.10

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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.