Home / 804,962.90-1,207,444.35-521,527.70

Finding the Fourth Proportional to 804,962.90, 1,207,444.35 and 521,527.70

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Solution

The fourth proportional to 804,962.90, 1,207,444.35 and 521,527.70 is: 782,291.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,962.90 : 1,207,444.35 = 521,527.70 : x
  2. Step 2: Convert to fraction form
    804,962.90/1,207,444.35 = 521,527.70/x
  3. Step 3: Cross multiply
    804,962.90x = 1,207,444.35 × 521,527.70
  4. Step 4: Simplify right side
    804,962.90x = 629,715,674,733.50
  5. Step 5: Solve for x
    x = 629,715,674,733.50/804,962.90
  6. Step 6: Final answer
    x = 782,291.55

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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.