Home / 669,339.16-923,686.14-401,067.16

Finding the Fourth Proportional to 669,339.16, 923,686.14 and 401,067.16

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Solution

The fourth proportional to 669,339.16, 923,686.14 and 401,067.16 is: 553,471.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,339.16 : 923,686.14 = 401,067.16 : x
  2. Step 2: Convert to fraction form
    669,339.16/923,686.14 = 401,067.16/x
  3. Step 3: Cross multiply
    669,339.16x = 923,686.14 × 401,067.16
  4. Step 4: Simplify right side
    669,339.16x = 370,460,176,901.16
  5. Step 5: Solve for x
    x = 370,460,176,901.16/669,339.16
  6. Step 6: Final answer
    x = 553,471.54

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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.