Home / 1,620,948.78-2,431,423.17-623,443.50

Finding the Fourth Proportional to 1,620,948.78, 2,431,423.17 and 623,443.50

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Solution

The fourth proportional to 1,620,948.78, 2,431,423.17 and 623,443.50 is: 935,165.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,948.78 : 2,431,423.17 = 623,443.50 : x
  2. Step 2: Convert to fraction form
    1,620,948.78/2,431,423.17 = 623,443.50/x
  3. Step 3: Cross multiply
    1,620,948.78x = 2,431,423.17 × 623,443.50
  4. Step 4: Simplify right side
    1,620,948.78x = 1,515,854,971,085.90
  5. Step 5: Solve for x
    x = 1,515,854,971,085.90/1,620,948.78
  6. Step 6: Final answer
    x = 935,165.25

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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.