Home / 4,680,709.80-7,021,064.70-1,314,916.80

Finding the Fourth Proportional to 4,680,709.80, 7,021,064.70 and 1,314,916.80

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Solution

The fourth proportional to 4,680,709.80, 7,021,064.70 and 1,314,916.80 is: 1,972,375.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,680,709.80 : 7,021,064.70 = 1,314,916.80 : x
  2. Step 2: Convert to fraction form
    4,680,709.80/7,021,064.70 = 1,314,916.80/x
  3. Step 3: Cross multiply
    4,680,709.80x = 7,021,064.70 × 1,314,916.80
  4. Step 4: Simplify right side
    4,680,709.80x = 9,232,115,927,916.96
  5. Step 5: Solve for x
    x = 9,232,115,927,916.96/4,680,709.80
  6. Step 6: Final answer
    x = 1,972,375.20

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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.