Home / 1,018,556.80-1,525,502.40-519,337.60

Finding the Fourth Proportional to 1,018,556.80, 1,525,502.40 and 519,337.60

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Solution

The fourth proportional to 1,018,556.80, 1,525,502.40 and 519,337.60 is: 777,816.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,556.80 : 1,525,502.40 = 519,337.60 : x
  2. Step 2: Convert to fraction form
    1,018,556.80/1,525,502.40 = 519,337.60/x
  3. Step 3: Cross multiply
    1,018,556.80x = 1,525,502.40 × 519,337.60
  4. Step 4: Simplify right side
    1,018,556.80x = 792,250,755,210.24
  5. Step 5: Solve for x
    x = 792,250,755,210.24/1,018,556.80
  6. Step 6: Final answer
    x = 777,816.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.