Home / 857,742.35-1,183,675.88-475,759.31

Finding the Fourth Proportional to 857,742.35, 1,183,675.88 and 475,759.31

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Solution

The fourth proportional to 857,742.35, 1,183,675.88 and 475,759.31 is: 656,543.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,742.35 : 1,183,675.88 = 475,759.31 : x
  2. Step 2: Convert to fraction form
    857,742.35/1,183,675.88 = 475,759.31/x
  3. Step 3: Cross multiply
    857,742.35x = 1,183,675.88 × 475,759.31
  4. Step 4: Simplify right side
    857,742.35x = 563,144,815,203.46
  5. Step 5: Solve for x
    x = 563,144,815,203.46/857,742.35
  6. Step 6: Final answer
    x = 656,543.10

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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.