Home / 1,868,000.40-2,802,346.20-605,869.20

Finding the Fourth Proportional to 1,868,000.40, 2,802,346.20 and 605,869.20

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Solution

The fourth proportional to 1,868,000.40, 2,802,346.20 and 605,869.20 is: 908,915.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,000.40 : 2,802,346.20 = 605,869.20 : x
  2. Step 2: Convert to fraction form
    1,868,000.40/2,802,346.20 = 605,869.20/x
  3. Step 3: Cross multiply
    1,868,000.40x = 2,802,346.20 × 605,869.20
  4. Step 4: Simplify right side
    1,868,000.40x = 1,697,855,250,317.04
  5. Step 5: Solve for x
    x = 1,697,855,250,317.04/1,868,000.40
  6. Step 6: Final answer
    x = 908,915.89

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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.