Home / 629,386.16-868,562.86-342,906.16

Finding the Fourth Proportional to 629,386.16, 868,562.86 and 342,906.16

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Solution

The fourth proportional to 629,386.16, 868,562.86 and 342,906.16 is: 473,215.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,386.16 : 868,562.86 = 342,906.16 : x
  2. Step 2: Convert to fraction form
    629,386.16/868,562.86 = 342,906.16/x
  3. Step 3: Cross multiply
    629,386.16x = 868,562.86 × 342,906.16
  4. Step 4: Simplify right side
    629,386.16x = 297,835,555,041.22
  5. Step 5: Solve for x
    x = 297,835,555,041.22/629,386.16
  6. Step 6: Final answer
    x = 473,215.93

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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.