Home / 659,743.80-989,615.70-583,636.20

Finding the Fourth Proportional to 659,743.80, 989,615.70 and 583,636.20

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Solution

The fourth proportional to 659,743.80, 989,615.70 and 583,636.20 is: 875,454.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,743.80 : 989,615.70 = 583,636.20 : x
  2. Step 2: Convert to fraction form
    659,743.80/989,615.70 = 583,636.20/x
  3. Step 3: Cross multiply
    659,743.80x = 989,615.70 × 583,636.20
  4. Step 4: Simplify right side
    659,743.80x = 577,575,546,608.34
  5. Step 5: Solve for x
    x = 577,575,546,608.34/659,743.80
  6. Step 6: Final answer
    x = 875,454.30

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Double scale
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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.