Home / 1,559,948.40-2,339,922.60-811,897.20

Finding the Fourth Proportional to 1,559,948.40, 2,339,922.60 and 811,897.20

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Solution

The fourth proportional to 1,559,948.40, 2,339,922.60 and 811,897.20 is: 1,217,845.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559,948.40 : 2,339,922.60 = 811,897.20 : x
  2. Step 2: Convert to fraction form
    1,559,948.40/2,339,922.60 = 811,897.20/x
  3. Step 3: Cross multiply
    1,559,948.40x = 2,339,922.60 × 811,897.20
  4. Step 4: Simplify right side
    1,559,948.40x = 1,899,776,607,156.72
  5. Step 5: Solve for x
    x = 1,899,776,607,156.72/1,559,948.40
  6. Step 6: Final answer
    x = 1,217,845.80

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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.