Home / 1,526,809.40-2,290,214.10-529,638.20

Finding the Fourth Proportional to 1,526,809.40, 2,290,214.10 and 529,638.20

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Solution

The fourth proportional to 1,526,809.40, 2,290,214.10 and 529,638.20 is: 794,457.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,526,809.40 : 2,290,214.10 = 529,638.20 : x
  2. Step 2: Convert to fraction form
    1,526,809.40/2,290,214.10 = 529,638.20/x
  3. Step 3: Cross multiply
    1,526,809.40x = 2,290,214.10 × 529,638.20
  4. Step 4: Simplify right side
    1,526,809.40x = 1,212,984,873,538.62
  5. Step 5: Solve for x
    x = 1,212,984,873,538.62/1,526,809.40
  6. Step 6: Final answer
    x = 794,457.30

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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.