Home / 706,692.20-1,057,446.30-520,068.20

Finding the Fourth Proportional to 706,692.20, 1,057,446.30 and 520,068.20

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Solution

The fourth proportional to 706,692.20, 1,057,446.30 and 520,068.20 is: 778,194.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,692.20 : 1,057,446.30 = 520,068.20 : x
  2. Step 2: Convert to fraction form
    706,692.20/1,057,446.30 = 520,068.20/x
  3. Step 3: Cross multiply
    706,692.20x = 1,057,446.30 × 520,068.20
  4. Step 4: Simplify right side
    706,692.20x = 549,944,193,837.66
  5. Step 5: Solve for x
    x = 549,944,193,837.66/706,692.20
  6. Step 6: Final answer
    x = 778,194.80

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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.