Home / 767,759.65-1,059,511.98-423,595.56

Finding the Fourth Proportional to 767,759.65, 1,059,511.98 and 423,595.56

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Solution

The fourth proportional to 767,759.65, 1,059,511.98 and 423,595.56 is: 584,563.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,759.65 : 1,059,511.98 = 423,595.56 : x
  2. Step 2: Convert to fraction form
    767,759.65/1,059,511.98 = 423,595.56/x
  3. Step 3: Cross multiply
    767,759.65x = 1,059,511.98 × 423,595.56
  4. Step 4: Simplify right side
    767,759.65x = 448,804,565,197.25
  5. Step 5: Solve for x
    x = 448,804,565,197.25/767,759.65
  6. Step 6: Final answer
    x = 584,563.89

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1.5x scale

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.