Home / 682,678.04-1,024,904.10-525,018.20

Finding the Fourth Proportional to 682,678.04, 1,024,904.10 and 525,018.20

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Solution

The fourth proportional to 682,678.04, 1,024,904.10 and 525,018.20 is: 788,209.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,678.04 : 1,024,904.10 = 525,018.20 : x
  2. Step 2: Convert to fraction form
    682,678.04/1,024,904.10 = 525,018.20/x
  3. Step 3: Cross multiply
    682,678.04x = 1,024,904.10 × 525,018.20
  4. Step 4: Simplify right side
    682,678.04x = 538,093,305,754.62
  5. Step 5: Solve for x
    x = 538,093,305,754.62/682,678.04
  6. Step 6: Final answer
    x = 788,209.48

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1.5x scale

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.