Home / 805,005.80-1,204,398.30-525,069.80

Finding the Fourth Proportional to 805,005.80, 1,204,398.30 and 525,069.80

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Solution

The fourth proportional to 805,005.80, 1,204,398.30 and 525,069.80 is: 785,575.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,005.80 : 1,204,398.30 = 525,069.80 : x
  2. Step 2: Convert to fraction form
    805,005.80/1,204,398.30 = 525,069.80/x
  3. Step 3: Cross multiply
    805,005.80x = 1,204,398.30 × 525,069.80
  4. Step 4: Simplify right side
    805,005.80x = 632,393,174,501.34
  5. Step 5: Solve for x
    x = 632,393,174,501.34/805,005.80
  6. Step 6: Final answer
    x = 785,575.92

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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.