Home / 1,105,063.16-1,525,122.18-621,648.68

Finding the Fourth Proportional to 1,105,063.16, 1,525,122.18 and 621,648.68

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Solution

The fourth proportional to 1,105,063.16, 1,525,122.18 and 621,648.68 is: 857,951.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,063.16 : 1,525,122.18 = 621,648.68 : x
  2. Step 2: Convert to fraction form
    1,105,063.16/1,525,122.18 = 621,648.68/x
  3. Step 3: Cross multiply
    1,105,063.16x = 1,525,122.18 × 621,648.68
  4. Step 4: Simplify right side
    1,105,063.16x = 948,090,190,035.72
  5. Step 5: Solve for x
    x = 948,090,190,035.72/1,105,063.16
  6. Step 6: Final answer
    x = 857,951.13

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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.