Home / 525,107.10-785,911.05-483,116.70

Finding the Fourth Proportional to 525,107.10, 785,911.05 and 483,116.70

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Solution

The fourth proportional to 525,107.10, 785,911.05 and 483,116.70 is: 723,065.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,107.10 : 785,911.05 = 483,116.70 : x
  2. Step 2: Convert to fraction form
    525,107.10/785,911.05 = 483,116.70/x
  3. Step 3: Cross multiply
    525,107.10x = 785,911.05 × 483,116.70
  4. Step 4: Simplify right side
    525,107.10x = 379,686,752,969.54
  5. Step 5: Solve for x
    x = 379,686,752,969.54/525,107.10
  6. Step 6: Final answer
    x = 723,065.36

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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.