Home / 629,303.78-868,435.83-342,823.19

Finding the Fourth Proportional to 629,303.78, 868,435.83 and 342,823.19

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Solution

The fourth proportional to 629,303.78, 868,435.83 and 342,823.19 is: 473,094.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,303.78 : 868,435.83 = 342,823.19 : x
  2. Step 2: Convert to fraction form
    629,303.78/868,435.83 = 342,823.19/x
  3. Step 3: Cross multiply
    629,303.78x = 868,435.83 × 342,823.19
  4. Step 4: Simplify right side
    629,303.78x = 297,719,937,208.72
  5. Step 5: Solve for x
    x = 297,719,937,208.72/629,303.78
  6. Step 6: Final answer
    x = 473,094.15

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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.