Home / 1,684,140.90-2,526,211.35-486,102.30

Finding the Fourth Proportional to 1,684,140.90, 2,526,211.35 and 486,102.30

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Solution

The fourth proportional to 1,684,140.90, 2,526,211.35 and 486,102.30 is: 729,153.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,684,140.90 : 2,526,211.35 = 486,102.30 : x
  2. Step 2: Convert to fraction form
    1,684,140.90/2,526,211.35 = 486,102.30/x
  3. Step 3: Cross multiply
    1,684,140.90x = 2,526,211.35 × 486,102.30
  4. Step 4: Simplify right side
    1,684,140.90x = 1,227,997,147,521.11
  5. Step 5: Solve for x
    x = 1,227,997,147,521.11/1,684,140.90
  6. Step 6: Final answer
    x = 729,153.45

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Double scale
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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.