Home / 1,316,501.35-1,974,820.38-418,013.44

Finding the Fourth Proportional to 1,316,501.35, 1,974,820.38 and 418,013.44

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Solution

The fourth proportional to 1,316,501.35, 1,974,820.38 and 418,013.44 is: 627,041.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,501.35 : 1,974,820.38 = 418,013.44 : x
  2. Step 2: Convert to fraction form
    1,316,501.35/1,974,820.38 = 418,013.44/x
  3. Step 3: Cross multiply
    1,316,501.35x = 1,974,820.38 × 418,013.44
  4. Step 4: Simplify right side
    1,316,501.35x = 825,501,460,425.91
  5. Step 5: Solve for x
    x = 825,501,460,425.91/1,316,501.35
  6. Step 6: Final answer
    x = 627,041.86

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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.