Home / 591,743.70-887,615.55-402,786.90

Finding the Fourth Proportional to 591,743.70, 887,615.55 and 402,786.90

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Solution

The fourth proportional to 591,743.70, 887,615.55 and 402,786.90 is: 604,180.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,743.70 : 887,615.55 = 402,786.90 : x
  2. Step 2: Convert to fraction form
    591,743.70/887,615.55 = 402,786.90/x
  3. Step 3: Cross multiply
    591,743.70x = 887,615.55 × 402,786.90
  4. Step 4: Simplify right side
    591,743.70x = 357,519,915,776.30
  5. Step 5: Solve for x
    x = 357,519,915,776.30/591,743.70
  6. Step 6: Final answer
    x = 604,180.35

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Half scale
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Double scale
Find fourth proportional to 591,744.70, 887,617.05 and 402,787.90
Similar ratio
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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.